57407532 has 48 divisors (see below), whose sum is σ = 164865792. Its totient is φ = 15140160.

The previous prime is 57407513. The next prime is 57407549. The reversal of 57407532 is 23570475.

It is a junction number, because it is equal to n+sod(n) for n = 57407493 and 57407502.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25194 + ... + 27377.

It is an arithmetic number, because the mean of its divisors is an integer number (3434704).

Almost surely, 2^57407532 is an apocalyptic number.

57407532 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

57407532 is an abundant number, since it is smaller than the sum of its proper divisors (107458260).

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

57407532 is a wasteful number, since it uses less digits than its factorization.

57407532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52598 (or 52596 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 33.

The square root of 57407532 is about 7576.7758314470. The cubic root of 57407532 is about 385.7651214988.

The spelling of 57407532 in words is "fifty-seven million, four hundred seven thousand, five hundred thirty-two".