57109252 has 6 divisors (see below), whose sum is σ = 99941198. Its totient is φ = 28554624.

The previous prime is 57109211. The next prime is 57109267. The reversal of 57109252 is 25290175.

57109252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 56310016 + 799236 = 7504^2 + 894^2 .

It is a super-2 number, since 2×57109252² = 6522933327999008, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 7138653 + ... + 7138660.

Almost surely, 2^57109252 is an apocalyptic number.

It is an amenable number.

57109252 is a deficient number, since it is larger than the sum of its proper divisors (42831946).

57109252 is a wasteful number, since it uses less digits than its factorization.

57109252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14277317 (or 14277315 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 57109252 is about 7557.0663620217. The cubic root of 57109252 is about 385.0958371636.

The spelling of 57109252 in words is "fifty-seven million, one hundred nine thousand, two hundred fifty-two".