57501012 has 24 divisors (see below), whose sum is σ = 140003136. Its totient is φ = 18333568.

The previous prime is 57501007. The next prime is 57501013. The reversal of 57501012 is 21010575.

It is a self number, because there is not a number n which added to its sum of digits gives 57501012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57501013) 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, 103893 + ... + 104444.

It is an arithmetic number, because the mean of its divisors is an integer number (5833464).

Almost surely, 2^57501012 is an apocalyptic number.

It is an amenable number.

57501012 is an abundant number, since it is smaller than the sum of its proper divisors (82502124).

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

57501012 is a wasteful number, since it uses less digits than its factorization.

57501012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208367 (or 208365 counting only the distinct ones).

The product of its (nonzero) digits is 350, while the sum is 21.

The square root of 57501012 is about 7582.9421730619. The cubic root of 57501012 is about 385.9743958246.

Adding to 57501012 its reverse (21010575), we get a palindrome (78511587).

The spelling of 57501012 in words is "fifty-seven million, five hundred one thousand, twelve".