56187970 has 16 divisors (see below), whose sum is σ = 101868480. Its totient is φ = 22312944.

The previous prime is 56187961. The next prime is 56187977. The reversal of 56187970 is 7978165.

It is not an unprimeable number, because it can be changed into a prime (56187977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18822 + ... + 21601.

It is an arithmetic number, because the mean of its divisors is an integer number (6366780).

Almost surely, 2^56187970 is an apocalyptic number.

56187970 is a deficient number, since it is larger than the sum of its proper divisors (45680510).

56187970 is a wasteful number, since it uses less digits than its factorization.

56187970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40569.

The product of its (nonzero) digits is 105840, while the sum is 43.

The square root of 56187970 is about 7495.8635259722. The cubic root of 56187970 is about 383.0138223963.

The spelling of 56187970 in words is "fifty-six million, one hundred eighty-seven thousand, nine hundred seventy".