55164008832 has 64 divisors (see below), whose sum is σ = 155148793200. Its totient is φ = 17306353664.

The previous prime is 55164008813. The next prime is 55164008833. The reversal of 55164008832 is 23880046155.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55164008833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4218657 + ... + 4231712.

Almost surely, 2^55164008832 is an apocalyptic number.

It is an amenable number.

55164008832 is an abundant number, since it is smaller than the sum of its proper divisors (99984784368).

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

55164008832 is a wasteful number, since it uses less digits than its factorization.

55164008832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8450403 (or 8450391 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 42.

The spelling of 55164008832 in words is "fifty-five billion, one hundred sixty-four million, eight thousand, eight hundred thirty-two".