57091732 has 12 divisors (see below), whose sum is σ = 105169120. Its totient is φ = 27043416.

The previous prime is 57091709. The next prime is 57091733. The reversal of 57091732 is 23719075.

57091732 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57091733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375528 + ... + 375679.

Almost surely, 2^57091732 is an apocalyptic number.

It is an amenable number.

57091732 is a deficient number, since it is larger than the sum of its proper divisors (48077388).

57091732 is a wasteful number, since it uses less digits than its factorization.

57091732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751230 (or 751228 counting only the distinct ones).

The product of its (nonzero) digits is 13230, while the sum is 34.

The square root of 57091732 is about 7555.9070931292. The cubic root of 57091732 is about 385.0564531824.

The spelling of 57091732 in words is "fifty-seven million, ninety-one thousand, seven hundred thirty-two".