56066570 has 64 divisors (see below), whose sum is σ = 121305600. Its totient is φ = 18251520.

The previous prime is 56066567. The next prime is 56066597. The reversal of 56066570 is 7566065.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 56066570.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143936 + ... + 144324.

It is an arithmetic number, because the mean of its divisors is an integer number (1895400).

Almost surely, 2^56066570 is an apocalyptic number.

56066570 is an abundant number, since it is smaller than the sum of its proper divisors (65239030).

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

56066570 is a wasteful number, since it uses less digits than its factorization.

56066570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 56066570 is about 7487.7613476926. The cubic root of 56066570 is about 382.7377763189.

The spelling of 56066570 in words is "fifty-six million, sixty-six thousand, five hundred seventy".