56577220450 has 24 divisors (see below), whose sum is σ = 109809007488. Its totient is φ = 21646936080.

The previous prime is 56577220423. The next prime is 56577220517. The reversal of 56577220450 is 5402277565.

It is a junction number, because it is equal to n+sod(n) for n = 56577220397 and 56577220406.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 24597642 + ... + 24599941.

It is an arithmetic number, because the mean of its divisors is an integer number (4575375312).

Almost surely, 2^56577220450 is an apocalyptic number.

56577220450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

56577220450 is a deficient number, since it is larger than the sum of its proper divisors (53231787038).

56577220450 is a wasteful number, since it uses less digits than its factorization.

56577220450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49197618 (or 49197613 counting only the distinct ones).

The product of its (nonzero) digits is 588000, while the sum is 43.

The spelling of 56577220450 in words is "fifty-six billion, five hundred seventy-seven million, two hundred twenty thousand, four hundred fifty".