57426788 has 24 divisors (see below), whose sum is σ = 102473280. Its totient is φ = 28153440.

The previous prime is 57426781. The next prime is 57426821. The reversal of 57426788 is 88762475.

It is not an unprimeable number, because it can be changed into a prime (57426781) 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, 64595 + ... + 65477.

It is an arithmetic number, because the mean of its divisors is an integer number (4269720).

Almost surely, 2^57426788 is an apocalyptic number.

It is an amenable number.

57426788 is a deficient number, since it is larger than the sum of its proper divisors (45046492).

57426788 is a wasteful number, since it uses less digits than its factorization.

57426788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1187 (or 1185 counting only the distinct ones).

The product of its digits is 752640, while the sum is 47.

The square root of 57426788 is about 7578.0464501084. The cubic root of 57426788 is about 385.8082486085.

The spelling of 57426788 in words is "fifty-seven million, four hundred twenty-six thousand, seven hundred eighty-eight".