57402664 has 64 divisors (see below), whose sum is σ = 124416000. Its totient is φ = 24573120.

The previous prime is 57402649. The next prime is 57402671. The reversal of 57402664 is 46620475.

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, 159717 + ... + 160075.

It is an arithmetic number, because the mean of its divisors is an integer number (1944000).

Almost surely, 2^57402664 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 57402664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62208000).

57402664 is an abundant number, since it is smaller than the sum of its proper divisors (67013336).

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

57402664 is a wasteful number, since it uses less digits than its factorization.

57402664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478 (or 474 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 57402664 is about 7576.4545798150. The cubic root of 57402664 is about 385.7542172520.

The spelling of 57402664 in words is "fifty-seven million, four hundred two thousand, six hundred sixty-four".