57161252 has 6 divisors (see below), whose sum is σ = 100032198. Its totient is φ = 28580624.

The previous prime is 57161249. The next prime is 57161281. The reversal of 57161252 is 25216175.

It can be written as a sum of positive squares in only one way, i.e., 52215076 + 4946176 = 7226^2 + 2224^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7145153 + ... + 7145160.

It is an arithmetic number, because the mean of its divisors is an integer number (16672033).

Almost surely, 2^57161252 is an apocalyptic number.

It is an amenable number.

57161252 is a deficient number, since it is larger than the sum of its proper divisors (42870946).

57161252 is a wasteful number, since it uses less digits than its factorization.

57161252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14290317 (or 14290315 counting only the distinct ones).

The product of its digits is 4200, while the sum is 29.

The square root of 57161252 is about 7560.5060677180. The cubic root of 57161252 is about 385.2126828473.

The spelling of 57161252 in words is "fifty-seven million, one hundred sixty-one thousand, two hundred fifty-two".