56665036 has 12 divisors (see below), whose sum is σ = 99450400. Its totient is φ = 28250640.

The previous prime is 56665027. The next prime is 56665057. The reversal of 56665036 is 63056665.

It is a happy number.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 56664986 and 56665004.

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, 18900 + ... + 21691.

Almost surely, 2^56665036 is an apocalyptic number.

It is an amenable number.

56665036 is a deficient number, since it is larger than the sum of its proper divisors (42785364).

56665036 is a wasteful number, since it uses less digits than its factorization.

56665036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40944 (or 40942 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 37.

The square root of 56665036 is about 7527.6182156111. The cubic root of 56665036 is about 384.0947664691.

The spelling of 56665036 in words is "fifty-six million, six hundred sixty-five thousand, thirty-six".