56665104 has 40 divisors (see below), whose sum is σ = 147282240. Its totient is φ = 18772608.

The previous prime is 56665079. The next prime is 56665121. The reversal of 56665104 is 40156665.

It is a super-2 number, since 2×56665104² = 6421868022661632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4482 + ... + 11550.

It is an arithmetic number, because the mean of its divisors is an integer number (3682056).

Almost surely, 2^56665104 is an apocalyptic number.

It is an amenable number.

56665104 is an abundant number, since it is smaller than the sum of its proper divisors (90617136).

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

56665104 is a wasteful number, since it uses less digits than its factorization.

56665104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7247 (or 7241 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 56665104 is about 7527.6227323106. The cubic root of 56665104 is about 384.0949201114.

The spelling of 56665104 in words is "fifty-six million, six hundred sixty-five thousand, one hundred four".