56669938 has 16 divisors (see below), whose sum is σ = 91808640. Its totient is φ = 26079696.

The previous prime is 56669911. The next prime is 56669941. The reversal of 56669938 is 83996665.

It is a happy number.

It is a super-2 number, since 2×56669938² = 6422963745847688, 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, 6573 + ... + 12511.

It is an arithmetic number, because the mean of its divisors is an integer number (5738040).

Almost surely, 2^56669938 is an apocalyptic number.

56669938 is a deficient number, since it is larger than the sum of its proper divisors (35138702).

56669938 is a wasteful number, since it uses less digits than its factorization.

56669938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6321.

The product of its digits is 2099520, while the sum is 52.

The square root of 56669938 is about 7527.9438095671. The cubic root of 56669938 is about 384.1058419540.

The spelling of 56669938 in words is "fifty-six million, six hundred sixty-nine thousand, nine hundred thirty-eight".