57002272 has 12 divisors (see below), whose sum is σ = 112223286. Its totient is φ = 28501120.

The previous prime is 57002263. The next prime is 57002291. The reversal of 57002272 is 27220075.

It can be written as a sum of positive squares in only one way, i.e., 56010256 + 992016 = 7484^2 + 996^2 .

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 890629 + ... + 890692.

Almost surely, 2^57002272 is an apocalyptic number.

It is an amenable number.

57002272 is a deficient number, since it is larger than the sum of its proper divisors (55221014).

57002272 is a wasteful number, since it uses less digits than its factorization.

57002272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1781331 (or 1781323 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 25.

The square root of 57002272 is about 7549.9849006472. The cubic root of 57002272 is about 384.8552263899.

The spelling of 57002272 in words is "fifty-seven million, two thousand, two hundred seventy-two".