57699252 has 36 divisors (see below), whose sum is σ = 157071460. Its totient is φ = 17753472.

The previous prime is 57699223. The next prime is 57699253. The reversal of 57699252 is 25299675.

It can be written as a sum of positive squares in 2 ways, for example, as 8503056 + 49196196 = 2916^2 + 7014^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 57699198 and 57699207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57699253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61177 + ... + 62112.

Almost surely, 2^57699252 is an apocalyptic number.

57699252 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

57699252 is an abundant number, since it is smaller than the sum of its proper divisors (99372208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57699252 is a wasteful number, since it uses less digits than its factorization.

57699252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123312 (or 123307 counting only the distinct ones).

The product of its digits is 340200, while the sum is 45.

The square root of 57699252 is about 7596.0023696679. The cubic root of 57699252 is about 386.4174477416.

The spelling of 57699252 in words is "fifty-seven million, six hundred ninety-nine thousand, two hundred fifty-two".