56665708 has 12 divisors (see below), whose sum is σ = 108180072. Its totient is φ = 25757120.

The previous prime is 56665703. The next prime is 56665727. The reversal of 56665708 is 80756665.

It is a super-2 number, since 2×56665708² = 6422004926282528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56665703) 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, 643885 + ... + 643972.

It is an arithmetic number, because the mean of its divisors is an integer number (9015006).

Almost surely, 2^56665708 is an apocalyptic number.

It is an amenable number.

56665708 is a deficient number, since it is larger than the sum of its proper divisors (51514364).

56665708 is a wasteful number, since it uses less digits than its factorization.

56665708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287872 (or 1287870 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 43.

The square root of 56665708 is about 7527.6628511112. The cubic root of 56665708 is about 384.0962848108.

The spelling of 56665708 in words is "fifty-six million, six hundred sixty-five thousand, seven hundred eight".