57233772 has 18 divisors (see below), whose sum is σ = 144674348. Its totient is φ = 19077912.

The previous prime is 57233753. The next prime is 57233777. The reversal of 57233772 is 27733275.

57233772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1589827 = 57233772 / (5 + 7 + 2 + 3 + 3 + 7 + 7 + 2).

It is not an unprimeable number, because it can be changed into a prime (57233777) 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 5 ways as a sum of consecutive naturals, for example, 794878 + ... + 794949.

Almost surely, 2^57233772 is an apocalyptic number.

It is an amenable number.

57233772 is an abundant number, since it is smaller than the sum of its proper divisors (87440576).

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

57233772 is a wasteful number, since it uses less digits than its factorization.

57233772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1589837 (or 1589832 counting only the distinct ones).

The product of its digits is 61740, while the sum is 36.

The square root of 57233772 is about 7565.3005227816. The cubic root of 57233772 is about 385.3755193680.

The spelling of 57233772 in words is "fifty-seven million, two hundred thirty-three thousand, seven hundred seventy-two".