57136612 has 24 divisors (see below), whose sum is σ = 111396600. Its totient is φ = 25460736.

The previous prime is 57136571. The next prime is 57136613. The reversal of 57136612 is 21663175.

It can be written as a sum of positive squares in 4 ways, for example, as 224676 + 56911936 = 474^2 + 7544^2 .

It is not an unprimeable number, because it can be changed into a prime (57136613) 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, 17437 + ... + 20452.

It is an arithmetic number, because the mean of its divisors is an integer number (4641525).

Almost surely, 2^57136612 is an apocalyptic number.

57136612 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

57136612 is a deficient number, since it is larger than the sum of its proper divisors (54259988).

57136612 is a wasteful number, since it uses less digits than its factorization.

57136612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37935 (or 37933 counting only the distinct ones).

The product of its digits is 7560, while the sum is 31.

The square root of 57136612 is about 7558.8763715251. The cubic root of 57136612 is about 385.1573248071.

Adding to 57136612 its reverse (21663175), we get a palindrome (78799787).

The spelling of 57136612 in words is "fifty-seven million, one hundred thirty-six thousand, six hundred twelve".