57805132 has 48 divisors (see below), whose sum is σ = 128298240. Its totient is φ = 22132800.

The previous prime is 57805129. The next prime is 57805157. The reversal of 57805132 is 23150875.

It is a junction number, because it is equal to n+sod(n) for n = 57805094 and 57805103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16582 + ... + 19762.

It is an arithmetic number, because the mean of its divisors is an integer number (2672880).

Almost surely, 2^57805132 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 57805132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64149120).

57805132 is an abundant number, since it is smaller than the sum of its proper divisors (70493108).

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

57805132 is a wasteful number, since it uses less digits than its factorization.

57805132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3262 (or 3260 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 57805132 is about 7602.9686307389. The cubic root of 57805132 is about 386.6536661635.

The spelling of 57805132 in words is "fifty-seven million, eight hundred five thousand, one hundred thirty-two".