53625621904 has 40 divisors (see below), whose sum is σ = 107503744320. Its totient is φ = 25883088000.

The previous prime is 53625621887. The next prime is 53625621949. The reversal of 53625621904 is 40912652635.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3449509 + ... + 3465019.

It is an arithmetic number, because the mean of its divisors is an integer number (2687593608).

Almost surely, 2^53625621904 is an apocalyptic number.

It is an amenable number.

53625621904 is an abundant number, since it is smaller than the sum of its proper divisors (53878122416).

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

53625621904 is a wasteful number, since it uses less digits than its factorization.

53625621904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22999 (or 22993 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 53625621904 in words is "fifty-three billion, six hundred twenty-five million, six hundred twenty-one thousand, nine hundred four".