57043233 has 24 divisors (see below), whose sum is σ = 91139048. Its totient is φ = 34152192.

The previous prime is 57043229. The next prime is 57043247. The reversal of 57043233 is 33234075.

It can be written as a sum of positive squares in 4 ways, for example, as 13046544 + 43996689 = 3612^2 + 6633^2 .

It is not a de Polignac number, because 57043233 - 2² = 57043229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57043197 and 57043206.

It is not an unprimeable number, because it can be changed into a prime (57043223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2260 + ... + 10917.

Almost surely, 2^57043233 is an apocalyptic number.

It is an amenable number.

57043233 is a deficient number, since it is larger than the sum of its proper divisors (34095815).

57043233 is a wasteful number, since it uses less digits than its factorization.

57043233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13233 (or 13230 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 27.

The square root of 57043233 is about 7552.6970679354. The cubic root of 57043233 is about 384.9473880994.

The spelling of 57043233 in words is "fifty-seven million, forty-three thousand, two hundred thirty-three".