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53994880 = 275239353
BaseRepresentation
bin1100110111111…
…0010110000000
310202121020001101
43031332112000
5102310314010
65205144144
71223643322
oct315762600
9122536041
1053994880
112852a175
12160bb054
13b256844
147257612
154b1873a
hex337e580

53994880 has 64 divisors (see below), whose sum is σ = 129988800. Its totient is φ = 21446656.

The previous prime is 53994859. The next prime is 53994923. The reversal of 53994880 is 8849935.

53994880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 53994880.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 152784 + ... + 153136.

It is an arithmetic number, because the mean of its divisors is an integer number (2031075).

Almost surely, 253994880 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53994880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64994400).

53994880 is an abundant number, since it is smaller than the sum of its proper divisors (75993920).

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

53994880 is a wasteful number, since it uses less digits than its factorization.

53994880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611 (or 599 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 53994880 is about 7348.1208482169. The cubic root of 53994880 is about 377.9643686728.

The spelling of 53994880 in words is "fifty-three million, nine hundred ninety-four thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 239 320 353 478 640 706 956 1195 1412 1765 1912 2390 2824 3530 3824 4780 5648 7060 7648 9560 11296 14120 15296 19120 22592 28240 30592 38240 45184 56480 76480 84367 112960 152960 168734 225920 337468 421835 674936 843670 1349872 1687340 2699744 3374680 5399488 6749360 10798976 13498720 26997440 53994880