57122293 has 4 divisors (see below), whose sum is σ = 57845440. Its totient is φ = 56399148.

The previous prime is 57122251. The next prime is 57122297. The reversal of 57122293 is 39222175.

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 57122293 - 2²⁵ = 23567861 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 (57122297) 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, 361455 + ... + 361612.

It is an arithmetic number, because the mean of its divisors is an integer number (14461360).

Almost surely, 2^57122293 is an apocalyptic number.

It is an amenable number.

57122293 is a deficient number, since it is larger than the sum of its proper divisors (723147).

57122293 is an equidigital number, since it uses as much as digits as its factorization.

57122293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723146.

The product of its digits is 7560, while the sum is 31.

The square root of 57122293 is about 7557.9291475906. The cubic root of 57122293 is about 385.1251473741.

The spelling of 57122293 in words is "fifty-seven million, one hundred twenty-two thousand, two hundred ninety-three".