57051444 has 12 divisors (see below), whose sum is σ = 133120064. Its totient is φ = 19017144.

The previous prime is 57051419. The next prime is 57051487. The reversal of 57051444 is 44415075.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2377132 + ... + 2377155.

Almost surely, 2^57051444 is an apocalyptic number.

It is an amenable number.

57051444 is an abundant number, since it is smaller than the sum of its proper divisors (76068620).

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

57051444 is a wasteful number, since it uses less digits than its factorization.

57051444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4754294 (or 4754292 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 30.

The square root of 57051444 is about 7553.2406290280. The cubic root of 57051444 is about 384.9658574321.

The spelling of 57051444 in words is "fifty-seven million, fifty-one thousand, four hundred forty-four".