57133932 has 48 divisors (see below), whose sum is σ = 140216832. Its totient is φ = 18071680.

The previous prime is 57133907. The next prime is 57133939. The reversal of 57133932 is 23933175.

It is a junction number, because it is equal to n+sod(n) for n = 57133893 and 57133902.

It is not an unprimeable number, because it can be changed into a prime (57133939) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37057 + ... + 38567.

It is an arithmetic number, because the mean of its divisors is an integer number (2921184).

Almost surely, 2^57133932 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 57133932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70108416).

57133932 is an abundant number, since it is smaller than the sum of its proper divisors (83082900).

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

57133932 is a wasteful number, since it uses less digits than its factorization.

57133932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1678 (or 1676 counting only the distinct ones).

The product of its digits is 17010, while the sum is 33.

The square root of 57133932 is about 7558.6990944209. The cubic root of 57133932 is about 385.1513027619.

The spelling of 57133932 in words is "fifty-seven million, one hundred thirty-three thousand, nine hundred thirty-two".