56462904477 has 18 divisors (see below), whose sum is σ = 94873044318. Its totient is φ = 32264516592.

The previous prime is 56462904413. The next prime is 56462904541. The reversal of 56462904477 is 77440926465.

56462904477 is a `hidden beast` number, since 5 + 6 + 4 + 629 + 0 + 4 + 4 + 7 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (56462904413) and next prime (56462904541).

It can be written as a sum of positive squares in only one way, i.e., 37334354841 + 19128549636 = 193221^2 + 138306^2 .

It is not a de Polignac number, because 56462904477 - 2⁶ = 56462904413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56462904977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 64016458 + ... + 64017339.

Almost surely, 2^56462904477 is an apocalyptic number.

It is an amenable number.

56462904477 is a deficient number, since it is larger than the sum of its proper divisors (38410139841).

56462904477 is a wasteful number, since it uses less digits than its factorization.

56462904477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128033817 (or 128033807 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 54.

The spelling of 56462904477 in words is "fifty-six billion, four hundred sixty-two million, nine hundred four thousand, four hundred seventy-seven".