56723958 has 24 divisors (see below), whose sum is σ = 123047496. Its totient is φ = 18885600.

The previous prime is 56723903. The next prime is 56723969. The reversal of 56723958 is 85932765.

It is a happy number.

56723958 is a `hidden beast` number, since 567 + 2 + 39 + 58 = 666.

It is a super-2 number, since 2×56723958² = 6435214822371528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22018 + ... + 24458.

It is an arithmetic number, because the mean of its divisors is an integer number (5126979).

Almost surely, 2^56723958 is an apocalyptic number.

56723958 is an abundant number, since it is smaller than the sum of its proper divisors (66323538).

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

56723958 is a wasteful number, since it uses less digits than its factorization.

56723958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3740 (or 3737 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 56723958 is about 7531.5309200720. The cubic root of 56723958 is about 384.2278514283.

The spelling of 56723958 in words is "fifty-six million, seven hundred twenty-three thousand, nine hundred fifty-eight".