57233970 has 48 divisors (see below), whose sum is σ = 149511960. Its totient is φ = 15190272.

The previous prime is 57233941. The next prime is 57233987. The reversal of 57233970 is 7933275.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 48818169 + 8415801 = 6987^2 + 2901^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19222 + ... + 21998.

Almost surely, 2^57233970 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57233970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74755980).

57233970 is an abundant number, since it is smaller than the sum of its proper divisors (92277990).

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

57233970 is a wasteful number, since it uses less digits than its factorization.

57233970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3019 (or 3016 counting only the distinct ones).

The product of its (nonzero) digits is 39690, while the sum is 36.

The square root of 57233970 is about 7565.3136088334. The cubic root of 57233970 is about 385.3759637691.

The spelling of 57233970 in words is "fifty-seven million, two hundred thirty-three thousand, nine hundred seventy".