56466657 has 12 divisors (see below), whose sum is σ = 87837204. Its totient is φ = 34748640.

The previous prime is 56466647. The next prime is 56466659. The reversal of 56466657 is 75666465.

It can be written as a sum of positive squares in 2 ways, for example, as 12787776 + 43678881 = 3576^2 + 6609^2 .

It is not a de Polignac number, because 56466657 - 2¹² = 56462561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56466659) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 241194 + ... + 241427.

It is an arithmetic number, because the mean of its divisors is an integer number (7319767).

Almost surely, 2^56466657 is an apocalyptic number.

It is an amenable number.

56466657 is a deficient number, since it is larger than the sum of its proper divisors (31370547).

56466657 is a wasteful number, since it uses less digits than its factorization.

56466657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482640 (or 482637 counting only the distinct ones).

The product of its digits is 907200, while the sum is 45.

The square root of 56466657 is about 7514.4299184968. The cubic root of 56466657 is about 383.6460157452.

The spelling of 56466657 in words is "fifty-six million, four hundred sixty-six thousand, six hundred fifty-seven".