57112002 has 12 divisors (see below), whose sum is σ = 123742710. Its totient is φ = 19037328.

The previous prime is 57112001. The next prime is 57112007. The reversal of 57112002 is 20021175.

It can be written as a sum of positive squares in only one way, i.e., 30702681 + 26409321 = 5541^2 + 5139^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 3172889 = 57112002 / (5 + 7 + 1 + 1 + 2 + 0 + 0 + 2).

It is not an unprimeable number, because it can be changed into a prime (57112001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1586427 + ... + 1586462.

Almost surely, 2^57112002 is an apocalyptic number.

57112002 is an abundant number, since it is smaller than the sum of its proper divisors (66630708).

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

57112002 is a wasteful number, since it uses less digits than its factorization.

57112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3172897 (or 3172894 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 57112002 is about 7557.2483087431. The cubic root of 57112002 is about 385.1020182785.

Adding to 57112002 its reverse (20021175), we get a palindrome (77133177).

The spelling of 57112002 in words is "fifty-seven million, one hundred twelve thousand, two".