56577556466 has 16 divisors (see below), whose sum is σ = 85752250080. Its totient is φ = 27993548160.

The previous prime is 56577556463. The next prime is 56577556493. The reversal of 56577556466 is 66465577565.

It is a junction number, because it is equal to n+sod(n) for n = 56577556399 and 56577556408.

It is not an unprimeable number, because it can be changed into a prime (56577556463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2132261 + ... + 2158631.

It is an arithmetic number, because the mean of its divisors is an integer number (5359515630).

Almost surely, 2^56577556466 is an apocalyptic number.

56577556466 is a deficient number, since it is larger than the sum of its proper divisors (29174693614).

56577556466 is a wasteful number, since it uses less digits than its factorization.

56577556466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37529.

The product of its digits is 158760000, while the sum is 62.

The spelling of 56577556466 in words is "fifty-six billion, five hundred seventy-seven million, five hundred fifty-six thousand, four hundred sixty-six".