56148864 has 32 divisors (see below), whose sum is σ = 149146440. Its totient is φ = 18716160.

The previous prime is 56148839. The next prime is 56148887. The reversal of 56148864 is 46884165.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72727 + ... + 73494.

Almost surely, 2^56148864 is an apocalyptic number.

It is an amenable number.

56148864 is an abundant number, since it is smaller than the sum of its proper divisors (92997576).

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

56148864 is a wasteful number, since it uses less digits than its factorization.

56148864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146238 (or 146226 counting only the distinct ones).

The product of its digits is 184320, while the sum is 42.

The square root of 56148864 is about 7493.2545666086. The cubic root of 56148864 is about 382.9249444465.

The spelling of 56148864 in words is "fifty-six million, one hundred forty-eight thousand, eight hundred sixty-four".