56220947570 has 16 divisors (see below), whose sum is σ = 101756812248. Its totient is φ = 22364133120.

The previous prime is 56220947569. The next prime is 56220947593. The reversal of 56220947570 is 7574902265.

It can be written as a sum of positive squares in 4 ways, for example, as 23431343329 + 32789604241 = 153073^2 + 181079^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15528839 + ... + 15532458.

Almost surely, 2^56220947570 is an apocalyptic number.

56220947570 is a deficient number, since it is larger than the sum of its proper divisors (45535864678).

56220947570 is a wasteful number, since it uses less digits than its factorization.

56220947570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31061485.

The product of its (nonzero) digits is 1058400, while the sum is 47.

The spelling of 56220947570 in words is "fifty-six billion, two hundred twenty million, nine hundred forty-seven thousand, five hundred seventy".