57397233 has 8 divisors (see below), whose sum is σ = 80557600. Its totient is φ = 36250848.

The previous prime is 57397201. The next prime is 57397243. The reversal of 57397233 is 33279375.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 57397233 - 2⁵ = 57397201 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57397191 and 57397200.

It is not an unprimeable number, because it can be changed into a prime (57397243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 503428 + ... + 503541.

It is an arithmetic number, because the mean of its divisors is an integer number (10069700).

Almost surely, 2^57397233 is an apocalyptic number.

It is an amenable number.

57397233 is a deficient number, since it is larger than the sum of its proper divisors (23160367).

57397233 is a wasteful number, since it uses less digits than its factorization.

57397233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006991.

The product of its digits is 119070, while the sum is 39.

The square root of 57397233 is about 7576.0961583127. The cubic root of 57397233 is about 385.7420511661.

It can be divided in two parts, 57397 and 233, that added together give a triangular number (57630 = T₃₃₉).

The spelling of 57397233 in words is "fifty-seven million, three hundred ninety-seven thousand, two hundred thirty-three".