57151232 has 18 divisors (see below), whose sum is σ = 114079728. Its totient is φ = 28575488.

The previous prime is 57151231. The next prime is 57151267. The reversal of 57151232 is 23215175.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57151231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111368 + ... + 111879.

Almost surely, 2^57151232 is an apocalyptic number.

It is an amenable number.

57151232 is a deficient number, since it is larger than the sum of its proper divisors (56928496).

57151232 is an equidigital number, since it uses as much as digits as its factorization.

57151232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223263 (or 223249 counting only the distinct ones).

The product of its digits is 2100, while the sum is 26.

The square root of 57151232 is about 7559.8433846211. The cubic root of 57151232 is about 385.1901730963.

The spelling of 57151232 in words is "fifty-seven million, one hundred fifty-one thousand, two hundred thirty-two".