56577012632555 has 16 divisors (see below), whose sum is σ = 67909908971520. Its totient is φ = 45249948857568.

The previous prime is 56577012632533. The next prime is 56577012632593. The reversal of 56577012632555 is 55523621077565.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 56577012632555 - 2²⁰ = 56577011583979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56577012632494 and 56577012632503.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 399419474 + ... + 399561096.

It is an arithmetic number, because the mean of its divisors is an integer number (4244369310720).

Almost surely, 2^{56577012632555} is an apocalyptic number.

56577012632555 is a deficient number, since it is larger than the sum of its proper divisors (11332896338965).

56577012632555 is a wasteful number, since it uses less digits than its factorization.

56577012632555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161650.

The product of its (nonzero) digits is 66150000, while the sum is 59.

The spelling of 56577012632555 in words is "fifty-six trillion, five hundred seventy-seven billion, twelve million, six hundred thirty-two thousand, five hundred fifty-five".