57424540 has 12 divisors (see below), whose sum is σ = 120591576. Its totient is φ = 22969808.

The previous prime is 57424531. The next prime is 57424567. The reversal of 57424540 is 4542475.

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, 1435594 + ... + 1435633.

It is an arithmetic number, because the mean of its divisors is an integer number (10049298).

Almost surely, 2^57424540 is an apocalyptic number.

It is an amenable number.

57424540 is an abundant number, since it is smaller than the sum of its proper divisors (63167036).

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

57424540 is a wasteful number, since it uses less digits than its factorization.

57424540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2871236 (or 2871234 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 31.

The square root of 57424540 is about 7577.8981254699. The cubic root of 57424540 is about 385.8032143246.

The spelling of 57424540 in words is "fifty-seven million, four hundred twenty-four thousand, five hundred forty".