57457008 has 180 divisors, whose sum is σ = 198469440. Its totient is φ = 15418368.

The previous prime is 57456977. The next prime is 57457019. The reversal of 57457008 is 80075475.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 119713 + ... + 120191.

It is an arithmetic number, because the mean of its divisors is an integer number (1102608).

Almost surely, 2^57457008 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 57457008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99234720).

57457008 is an abundant number, since it is smaller than the sum of its proper divisors (141012432).

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

57457008 is a wasteful number, since it uses less digits than its factorization.

57457008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524 (or 508 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 36.

The square root of 57457008 is about 7580.0401054348. The cubic root of 57457008 is about 385.8759120407.

The spelling of 57457008 in words is "fifty-seven million, four hundred fifty-seven thousand, eight".