57426664 has 32 divisors (see below), whose sum is σ = 116416800. Its totient is φ = 26464320.

The previous prime is 57426661. The next prime is 57426671. The reversal of 57426664 is 46662475.

It is a zygodrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (57426661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 519 + ... + 10729.

It is an arithmetic number, because the mean of its divisors is an integer number (3638025).

Almost surely, 2^57426664 is an apocalyptic number.

It is an amenable number.

57426664 is an abundant number, since it is smaller than the sum of its proper divisors (58990136).

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

57426664 is a wasteful number, since it uses less digits than its factorization.

57426664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10273 (or 10269 counting only the distinct ones).

The product of its digits is 241920, while the sum is 40.

The square root of 57426664 is about 7578.0382685758. The cubic root of 57426664 is about 385.8079709201.

The spelling of 57426664 in words is "fifty-seven million, four hundred twenty-six thousand, six hundred sixty-four".