56577206403 has 16 divisors (see below), whose sum is σ = 85601448960. Its totient is φ = 36915623208.

The previous prime is 56577206401. The next prime is 56577206417. The reversal of 56577206403 is 30460277565.

56577206403 is a `hidden beast` number, since 56 + 577 + 20 + 6 + 4 + 0 + 3 = 666.

It is not a de Polignac number, because 56577206403 - 2¹ = 56577206401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56577206401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22290775 + ... + 22293312.

It is an arithmetic number, because the mean of its divisors is an integer number (5350090560).

Almost surely, 2^56577206403 is an apocalyptic number.

56577206403 is a deficient number, since it is larger than the sum of its proper divisors (29024242557).

56577206403 is a wasteful number, since it uses less digits than its factorization.

56577206403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44584143 (or 44584137 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 45.

The spelling of 56577206403 in words is "fifty-six billion, five hundred seventy-seven million, two hundred six thousand, four hundred three".