56975335066 has 64 divisors (see below), whose sum is σ = 100652878368. Its totient is φ = 23949139968.

The previous prime is 56975335061. The next prime is 56975335091. The reversal of 56975335066 is 66053357965.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 8458664841 + 48516670225 = 91971^2 + 220265^2 .

It is a junction number, because it is equal to n+sod(n) for n = 56975334998 and 56975335016.

It is not an unprimeable number, because it can be changed into a prime (56975335061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1693440 + ... + 1726756.

Almost surely, 2^56975335066 is an apocalyptic number.

56975335066 is a deficient number, since it is larger than the sum of its proper divisors (43677543302).

56975335066 is a wasteful number, since it uses less digits than its factorization.

56975335066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33475.

The product of its (nonzero) digits is 15309000, while the sum is 55.

The spelling of 56975335066 in words is "fifty-six billion, nine hundred seventy-five million, three hundred thirty-five thousand, sixty-six".