56566392 has 16 divisors (see below), whose sum is σ = 141416040. Its totient is φ = 18855456.

The previous prime is 56566387. The next prime is 56566399. The reversal of 56566392 is 29366565.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56566399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1178443 + ... + 1178490.

Almost surely, 2^56566392 is an apocalyptic number.

It is an amenable number.

56566392 is an abundant number, since it is smaller than the sum of its proper divisors (84849648).

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

56566392 is a wasteful number, since it uses less digits than its factorization.

56566392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2356942 (or 2356938 counting only the distinct ones).

The product of its digits is 291600, while the sum is 42.

The square root of 56566392 is about 7521.0632227099. The cubic root of 56566392 is about 383.8717562206.

The spelling of 56566392 in words is "fifty-six million, five hundred sixty-six thousand, three hundred ninety-two".