53164402056 has 128 divisors (see below), whose sum is σ = 164595888000. Its totient is φ = 15801163776.

The previous prime is 53164402021. The next prime is 53164402061. The reversal of 53164402056 is 65020446135.

53164402056 is a `hidden beast` number, since 5 + 3 + 1 + 6 + 440 + 205 + 6 = 666.

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 53164402056.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 311241 + ... + 450776.

It is an arithmetic number, because the mean of its divisors is an integer number (1285905375).

Almost surely, 2^53164402056 is an apocalyptic number.

It is an amenable number.

53164402056 is an abundant number, since it is smaller than the sum of its proper divisors (111431485944).

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

53164402056 is a wasteful number, since it uses less digits than its factorization.

53164402056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762068 (or 762058 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 53164402056 in words is "fifty-three billion, one hundred sixty-four million, four hundred two thousand, fifty-six".