57328564456 has 32 divisors (see below), whose sum is σ = 109385719200. Its totient is φ = 28159686720.

The previous prime is 57328564409. The next prime is 57328564481. The reversal of 57328564456 is 65446582375.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 57328564397 and 57328564406.

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 7 ways as a sum of consecutive naturals, for example, 682966 + ... + 762298.

It is an arithmetic number, because the mean of its divisors is an integer number (3418303725).

Almost surely, 2^57328564456 is an apocalyptic number.

It is an amenable number.

57328564456 is a deficient number, since it is larger than the sum of its proper divisors (52057154744).

57328564456 is a wasteful number, since it uses less digits than its factorization.

57328564456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80929 (or 80925 counting only the distinct ones).

The product of its digits is 24192000, while the sum is 55.

The spelling of 57328564456 in words is "fifty-seven billion, three hundred twenty-eight million, five hundred sixty-four thousand, four hundred fifty-six".