57252226 has 16 divisors (see below), whose sum is σ = 93864960. Its totient is φ = 26072640.

The previous prime is 57252203. The next prime is 57252227. The reversal of 57252226 is 62225275.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (57252227) 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, 26106 + ... + 28213.

It is an arithmetic number, because the mean of its divisors is an integer number (5866560).

Almost surely, 2^57252226 is an apocalyptic number.

57252226 is a deficient number, since it is larger than the sum of its proper divisors (36612734).

57252226 is a wasteful number, since it uses less digits than its factorization.

57252226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54369.

The product of its digits is 16800, while the sum is 31.

The square root of 57252226 is about 7566.5200720014. The cubic root of 57252226 is about 385.4169340513.

The spelling of 57252226 in words is "fifty-seven million, two hundred fifty-two thousand, two hundred twenty-six".