56566970 has 16 divisors (see below), whose sum is σ = 103216680. Its totient is φ = 22316544.

The previous prime is 56566963. The next prime is 56566981. The reversal of 56566970 is 7966565.

It can be written as a sum of positive squares in 4 ways, for example, as 29495761 + 27071209 = 5431^2 + 5203^2 .

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, 38015 + ... + 39474.

Almost surely, 2^56566970 is an apocalyptic number.

56566970 is a deficient number, since it is larger than the sum of its proper divisors (46649710).

56566970 is a wasteful number, since it uses less digits than its factorization.

56566970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77569.

The product of its (nonzero) digits is 340200, while the sum is 44.

The square root of 56566970 is about 7521.1016480300. The cubic root of 56566970 is about 383.8730636937.

The spelling of 56566970 in words is "fifty-six million, five hundred sixty-six thousand, nine hundred seventy".