57409542 has 12 divisors (see below), whose sum is σ = 124387380. Its totient is φ = 19136508.

The previous prime is 57409529. The next prime is 57409559. The reversal of 57409542 is 24590475.

It is a junction number, because it is equal to n+sod(n) for n = 57409497 and 57409506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1594692 + ... + 1594727.

It is an arithmetic number, because the mean of its divisors is an integer number (10365615).

Almost surely, 2^57409542 is an apocalyptic number.

57409542 is an abundant number, since it is smaller than the sum of its proper divisors (66977838).

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

57409542 is a wasteful number, since it uses less digits than its factorization.

57409542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3189427 (or 3189424 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 57409542 is about 7576.9084724576. The cubic root of 57409542 is about 385.7696236888.

The spelling of 57409542 in words is "fifty-seven million, four hundred nine thousand, five hundred forty-two".