57064956 has 96 divisors (see below), whose sum is σ = 150678528. Its totient is φ = 16692480.

The previous prime is 57064949. The next prime is 57064967. The reversal of 57064956 is 65946075.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 315186 + ... + 315366.

It is an arithmetic number, because the mean of its divisors is an integer number (1569568).

Almost surely, 2^57064956 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 57064956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75339264).

57064956 is an abundant number, since it is smaller than the sum of its proper divisors (93613572).

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

57064956 is a wasteful number, since it uses less digits than its factorization.

57064956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291 (or 289 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 42.

The square root of 57064956 is about 7554.1350265931. The cubic root of 57064956 is about 384.9962466604.

The spelling of 57064956 in words is "fifty-seven million, sixty-four thousand, nine hundred fifty-six".