57170412 has 72 divisors (see below), whose sum is σ = 156854880. Its totient is φ = 17452800.

The previous prime is 57170401. The next prime is 57170413. The reversal of 57170412 is 21407175.

It is not an unprimeable number, because it can be changed into a prime (57170413) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70264 + ... + 71072.

It is an arithmetic number, because the mean of its divisors is an integer number (2178540).

Almost surely, 2^57170412 is an apocalyptic number.

57170412 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57170412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78427440).

57170412 is an abundant number, since it is smaller than the sum of its proper divisors (99684468).

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

57170412 is a wasteful number, since it uses less digits than its factorization.

57170412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983 (or 978 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 57170412 is about 7561.1118230059. Note that the first 3 decimals coincide. The cubic root of 57170412 is about 385.2332583221.

Adding to 57170412 its reverse (21407175), we get a palindrome (78577587).

The spelling of 57170412 in words is "fifty-seven million, one hundred seventy thousand, four hundred twelve".