57545212 has 24 divisors (see below), whose sum is σ = 103765536. Its totient is φ = 27903168.

The previous prime is 57545197. The next prime is 57545219. The reversal of 57545212 is 21254575.

It is a super-2 number, since 2×57545212² = 6622902848249888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57545219) 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, 74058 + ... + 74830.

It is an arithmetic number, because the mean of its divisors is an integer number (4323564).

Almost surely, 2^57545212 is an apocalyptic number.

It is an amenable number.

57545212 is a deficient number, since it is larger than the sum of its proper divisors (46220324).

57545212 is a wasteful number, since it uses less digits than its factorization.

57545212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317 (or 1315 counting only the distinct ones).

The product of its digits is 14000, while the sum is 31.

The square root of 57545212 is about 7585.8560492538. The cubic root of 57545212 is about 386.0732677013.

Adding to 57545212 its reverse (21254575), we get a palindrome (78799787).

The spelling of 57545212 in words is "fifty-seven million, five hundred forty-five thousand, two hundred twelve".