57566426 has 8 divisors (see below), whose sum is σ = 86383584. Its totient is φ = 28771900.

The previous prime is 57566389. The next prime is 57566429. The reversal of 57566426 is 62466575.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (57566429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4001 + ... + 11451.

It is an arithmetic number, because the mean of its divisors is an integer number (10797948).

Almost surely, 2^57566426 is an apocalyptic number.

57566426 is a deficient number, since it is larger than the sum of its proper divisors (28817158).

57566426 is a wasteful number, since it uses less digits than its factorization.

57566426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11316.

The product of its digits is 302400, while the sum is 41.

The square root of 57566426 is about 7587.2541805320. The cubic root of 57566426 is about 386.1207037479.

The spelling of 57566426 in words is "fifty-seven million, five hundred sixty-six thousand, four hundred twenty-six".