56501970 has 32 divisors (see below), whose sum is σ = 154977408. Its totient is φ = 12914688.

The previous prime is 56501969. The next prime is 56502011. The reversal of 56501970 is 7910565.

It is a super-2 number, since 2×56501970² = 6384945227761800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134319 + ... + 134738.

It is an arithmetic number, because the mean of its divisors is an integer number (4843044).

Almost surely, 2^56501970 is an apocalyptic number.

56501970 is an abundant number, since it is smaller than the sum of its proper divisors (98475438).

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

56501970 is a wasteful number, since it uses less digits than its factorization.

56501970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269074.

The product of its (nonzero) digits is 9450, while the sum is 33.

The square root of 56501970 is about 7516.7792304949. The cubic root of 56501970 is about 383.7259736608.

The spelling of 56501970 in words is "fifty-six million, five hundred one thousand, nine hundred seventy".