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53883816 = 2337437459
BaseRepresentation
bin1100110110001…
…1001110101000
310202101120200220
43031203032220
5102243240231
65202530040
71223001450
oct315431650
9122346626
1053883816
1128463788
1216066920
13b21811c
147228d60
154ae5896
hex33633a8

53883816 has 64 divisors (see below), whose sum is σ = 157555200. Its totient is φ = 15035328.

The previous prime is 53883811. The next prime is 53883839. The reversal of 53883816 is 61838835.

53883816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (53883811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3495 + ... + 10953.

It is an arithmetic number, because the mean of its divisors is an integer number (2461800).

Almost surely, 253883816 is an apocalyptic number.

53883816 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53883816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78777600).

53883816 is an abundant number, since it is smaller than the sum of its proper divisors (103671384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53883816 is a wasteful number, since it uses less digits than its factorization.

53883816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7518 (or 7514 counting only the distinct ones).

The product of its digits is 138240, while the sum is 42.

The square root of 53883816 is about 7340.5596516887. The cubic root of 53883816 is about 377.7050413084.

The spelling of 53883816 in words is "fifty-three million, eight hundred eighty-three thousand, eight hundred sixteen".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 43 56 84 86 129 168 172 258 301 344 516 602 903 1032 1204 1806 2408 3612 7224 7459 14918 22377 29836 44754 52213 59672 89508 104426 156639 179016 208852 313278 320737 417704 626556 641474 962211 1253112 1282948 1924422 2245159 2565896 3848844 4490318 6735477 7697688 8980636 13470954 17961272 26941908 53883816