57201612 has 24 divisors (see below), whose sum is σ = 143737776. Its totient is φ = 17600448.

The previous prime is 57201607. The next prime is 57201619. The reversal of 57201612 is 21610275.

It is not an unprimeable number, because it can be changed into a prime (57201619) 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, 183183 + ... + 183494.

It is an arithmetic number, because the mean of its divisors is an integer number (5989074).

Almost surely, 2^57201612 is an apocalyptic number.

57201612 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

57201612 is an abundant number, since it is smaller than the sum of its proper divisors (86536164).

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

57201612 is a wasteful number, since it uses less digits than its factorization.

57201612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366697 (or 366695 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 57201612 is about 7563.1747302307. The cubic root of 57201612 is about 385.3033242382.

Adding to 57201612 its reverse (21610275), we get a palindrome (78811887).

The spelling of 57201612 in words is "fifty-seven million, two hundred one thousand, six hundred twelve".