57221514 has 36 divisors (see below), whose sum is σ = 144223794. Its totient is φ = 16348752.

The previous prime is 57221441. The next prime is 57221533. The reversal of 57221514 is 41512275.

It can be written as a sum of positive squares in only one way, i.e., 32867289 + 24354225 = 5733^2 + 4935^2 .

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 in 17 ways as a sum of consecutive naturals, for example, 31557 + ... + 33320.

Almost surely, 2^57221514 is an apocalyptic number.

57221514 is an abundant number, since it is smaller than the sum of its proper divisors (87002280).

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

57221514 is a wasteful number, since it uses less digits than its factorization.

57221514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64899 (or 64889 counting only the distinct ones).

The product of its digits is 2800, while the sum is 27.

The square root of 57221514 is about 7564.4903331289. The cubic root of 57221514 is about 385.3480048997.

Adding to 57221514 its reverse (41512275), we get a palindrome (98733789).

The spelling of 57221514 in words is "fifty-seven million, two hundred twenty-one thousand, five hundred fourteen".