53917056 has 64 divisors (see below), whose sum is σ = 159140400. Its totient is φ = 17971200.

The previous prime is 53917033. The next prime is 53917063. The reversal of 53917056 is 65071935.

It is a happy number.

53917056 is a `hidden beast` number, since 539 + 1 + 70 + 56 = 666.

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

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 a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 53917056.

It is a congruent number.

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, 4345 + ... + 11256.

Almost surely, 2^53917056 is an apocalyptic number.

It is an amenable number.

53917056 is an abundant number, since it is smaller than the sum of its proper divisors (105223344).

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

53917056 is a wasteful number, since it uses less digits than its factorization.

53917056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15624 (or 15606 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 36.

The square root of 53917056 is about 7342.8234351644. The cubic root of 53917056 is about 377.7826919263.

The spelling of 53917056 in words is "fifty-three million, nine hundred seventeen thousand, fifty-six".