57088944 has 120 divisors (see below), whose sum is σ = 181988352. Its totient is φ = 16536960.

The previous prime is 57088943. The next prime is 57088963. The reversal of 57088944 is 44988075.

It is a self number, because there is not a number n which added to its sum of digits gives 57088944.

It is not an unprimeable number, because it can be changed into a prime (57088943) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35649 + ... + 37215.

Almost surely, 2^57088944 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 57088944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90994176).

57088944 is an abundant number, since it is smaller than the sum of its proper divisors (124899408).

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

57088944 is a wasteful number, since it uses less digits than its factorization.

57088944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1615 (or 1606 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 57088944 is about 7555.7225994606. The cubic root of 57088944 is about 385.0501851711.

The spelling of 57088944 in words is "fifty-seven million, eighty-eight thousand, nine hundred forty-four".