57232133 has 4 divisors (see below), whose sum is σ = 65408160. Its totient is φ = 49056108.

The previous prime is 57232129. The next prime is 57232151. The reversal of 57232133 is 33123275.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57232133 - 2² = 57232129 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57232933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4088003 + ... + 4088016.

It is an arithmetic number, because the mean of its divisors is an integer number (16352040).

Almost surely, 2^57232133 is an apocalyptic number.

It is an amenable number.

57232133 is a deficient number, since it is larger than the sum of its proper divisors (8176027).

57232133 is an equidigital number, since it uses as much as digits as its factorization.

57232133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8176026.

The product of its digits is 3780, while the sum is 26.

The square root of 57232133 is about 7565.1921984838. The cubic root of 57232133 is about 385.3718406745.

The spelling of 57232133 in words is "fifty-seven million, two hundred thirty-two thousand, one hundred thirty-three".