57566466 has 24 divisors (see below), whose sum is σ = 131292720. Its totient is φ = 18178776.

The previous prime is 57566461. The next prime is 57566489. The reversal of 57566466 is 66466575.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (57566461) 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, 83820 + ... + 84503.

It is an arithmetic number, because the mean of its divisors is an integer number (5470530).

Almost surely, 2^57566466 is an apocalyptic number.

57566466 is an abundant number, since it is smaller than the sum of its proper divisors (73726254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57566466 is a wasteful number, since it uses less digits than its factorization.

57566466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168350 (or 168347 counting only the distinct ones).

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

The square root of 57566466 is about 7587.2568165313. The cubic root of 57566466 is about 386.1207931798.

The spelling of 57566466 in words is "fifty-seven million, five hundred sixty-six thousand, four hundred sixty-six".