57225869 has 4 divisors (see below), whose sum is σ = 58164060. Its totient is φ = 56287680.

The previous prime is 57225841. The next prime is 57225871. The reversal of 57225869 is 96852275.

57225869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1350244 + 55875625 = 1162^2 + 7475^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57225869 is a prime.

It is a super-2 number, since 2×57225869² = 6549600165610322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57225809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 469004 + ... + 469125.

It is an arithmetic number, because the mean of its divisors is an integer number (14541015).

Almost surely, 2^57225869 is an apocalyptic number.

It is an amenable number.

57225869 is a deficient number, since it is larger than the sum of its proper divisors (938191).

57225869 is an equidigital number, since it uses as much as digits as its factorization.

57225869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938190.

The product of its digits is 302400, while the sum is 44.

The square root of 57225869 is about 7564.7781857765. The cubic root of 57225869 is about 385.3577806401.

The spelling of 57225869 in words is "fifty-seven million, two hundred twenty-five thousand, eight hundred sixty-nine".