56426564 has 6 divisors (see below), whose sum is σ = 98746494. Its totient is φ = 28213280.

The previous prime is 56426551. The next prime is 56426581. The reversal of 56426564 is 46562465.

It can be written as a sum of positive squares in only one way, i.e., 29073664 + 27352900 = 5392^2 + 5230^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7053317 + ... + 7053324.

It is an arithmetic number, because the mean of its divisors is an integer number (16457749).

Almost surely, 2^56426564 is an apocalyptic number.

It is an amenable number.

56426564 is a deficient number, since it is larger than the sum of its proper divisors (42319930).

56426564 is a wasteful number, since it uses less digits than its factorization.

56426564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14106645 (or 14106643 counting only the distinct ones).

The product of its digits is 172800, while the sum is 38.

The square root of 56426564 is about 7511.7617108106. The cubic root of 56426564 is about 383.5551942326. Note that the first 3 decimals are identical.

The spelling of 56426564 in words is "fifty-six million, four hundred twenty-six thousand, five hundred sixty-four".