57426906 has 32 divisors (see below), whose sum is σ = 121655808. Its totient is φ = 18033840.

The previous prime is 57426899. The next prime is 57426913. The reversal of 57426906 is 60962475.

It is an interprime number because it is at equal distance from previous prime (57426899) and next prime (57426913).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6141 + ... + 12351.

It is an arithmetic number, because the mean of its divisors is an integer number (3801744).

Almost surely, 2^57426906 is an apocalyptic number.

57426906 is an abundant number, since it is smaller than the sum of its proper divisors (64228902).

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

57426906 is a wasteful number, since it uses less digits than its factorization.

57426906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6306.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 57426906 is about 7578.0542357521. The cubic root of 57426906 is about 385.8085128600.

The spelling of 57426906 in words is "fifty-seven million, four hundred twenty-six thousand, nine hundred six".