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53883801 = 326121609
BaseRepresentation
bin1100110110001…
…1001110011001
310202101120200100
43031203032121
5102243240201
65202530013
71223001426
oct315431631
9122346610
1053883801
1128463774
1216066909
13b21810a
147228d4d
154ae5886
hex3363399

53883801 has 18 divisors (see below), whose sum is σ = 79178190. Its totient is φ = 35311680.

The previous prime is 53883793. The next prime is 53883811. The reversal of 53883801 is 10838835.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 608400 + 53275401 = 780^2 + 7299^2 .

It is not a de Polignac number, because 53883801 - 23 = 53883793 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 32685 + ... + 34293.

Almost surely, 253883801 is an apocalyptic number.

It is an amenable number.

53883801 is a deficient number, since it is larger than the sum of its proper divisors (25294389).

53883801 is a wasteful number, since it uses less digits than its factorization.

53883801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1737 (or 1673 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 53883801 is about 7340.5586299682. The cubic root of 53883801 is about 377.7050062603.

The spelling of 53883801 in words is "fifty-three million, eight hundred eighty-three thousand, eight hundred one".

Divisors: 1 3 9 61 183 549 1609 3721 4827 11163 14481 33489 98149 294447 883341 5987089 17961267 53883801