57425856 has 56 divisors (see below), whose sum is σ = 152552400. Its totient is φ = 19064832.

The previous prime is 57425833. The next prime is 57425861. The reversal of 57425856 is 65852475.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66580 + ... + 67436.

It is an arithmetic number, because the mean of its divisors is an integer number (2724150).

Almost surely, 2^57425856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57425856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76276200).

57425856 is an abundant number, since it is smaller than the sum of its proper divisors (95126544).

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

57425856 is a wasteful number, since it uses less digits than its factorization.

57425856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221 (or 1211 counting only the distinct ones).

The product of its digits is 336000, while the sum is 42.

The square root of 57425856 is about 7577.9849564380. The cubic root of 57425856 is about 385.8061614569.

The spelling of 57425856 in words is "fifty-seven million, four hundred twenty-five thousand, eight hundred fifty-six".