56213377755 has 16 divisors (see below), whose sum is σ = 90234380544. Its totient is φ = 29882809440.

The previous prime is 56213377741. The next prime is 56213377799. The reversal of 56213377755 is 55777331265.

It is not a de Polignac number, because 56213377755 - 2⁸ = 56213377499 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56213377698 and 56213377707.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6098911 + ... + 6108120.

It is an arithmetic number, because the mean of its divisors is an integer number (5639648784).

Almost surely, 2^56213377755 is an apocalyptic number.

56213377755 is a deficient number, since it is larger than the sum of its proper divisors (34021002789).

56213377755 is a wasteful number, since it uses less digits than its factorization.

56213377755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12207346.

The product of its digits is 4630500, while the sum is 51.

The spelling of 56213377755 in words is "fifty-six billion, two hundred thirteen million, three hundred seventy-seven thousand, seven hundred fifty-five".