57651012 has 36 divisors (see below), whose sum is σ = 154302876. Its totient is φ = 18086400.

The previous prime is 57651001. The next prime is 57651019. The reversal of 57651012 is 21015675.

57651012 is a `hidden beast` number, since 5 + 7 + 651 + 0 + 1 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 47114496 + 10536516 = 6864^2 + 3246^2 .

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

It is not an unprimeable number, because it can be changed into a prime (57651019) 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, 46489 + ... + 47712.

It is an arithmetic number, because the mean of its divisors is an integer number (4286191).

Almost surely, 2^57651012 is an apocalyptic number.

It is an amenable number.

57651012 is an abundant number, since it is smaller than the sum of its proper divisors (96651864).

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

57651012 is a wasteful number, since it uses less digits than its factorization.

57651012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94228 (or 94223 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 57651012 is about 7592.8263512344. The cubic root of 57651012 is about 386.3097284075.

Adding to 57651012 its reverse (21015675), we get a palindrome (78666687).

The spelling of 57651012 in words is "fifty-seven million, six hundred fifty-one thousand, twelve".