56725042 has 24 divisors (see below), whose sum is σ = 94184748. Its totient is φ = 25602720.

The previous prime is 56725027. The next prime is 56725069. The reversal of 56725042 is 24052765.

It can be written as a sum of positive squares in 2 ways, for example, as 56115081 + 609961 = 7491^2 + 781^2 .

It is a junction number, because it is equal to n+sod(n) for n = 56724995 and 56725013.

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, 37248 + ... + 38740.

Almost surely, 2^56725042 is an apocalyptic number.

56725042 is a deficient number, since it is larger than the sum of its proper divisors (37459706).

56725042 is a wasteful number, since it uses less digits than its factorization.

56725042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1674 (or 1663 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 56725042 is about 7531.6028838488. The cubic root of 56725042 is about 384.2302989558.

The spelling of 56725042 in words is "fifty-six million, seven hundred twenty-five thousand, forty-two".