57250624 has 14 divisors (see below), whose sum is σ = 113606834. Its totient is φ = 28625280.

The previous prime is 57250621. The next prime is 57250631. The reversal of 57250624 is 42605275.

It can be written as a sum of positive squares in only one way, i.e., 48441600 + 8809024 = 6960^2 + 2968^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57250621) by changing a digit.

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, 447207 + ... + 447334.

Almost surely, 2^57250624 is an apocalyptic number.

It is an amenable number.

57250624 is a deficient number, since it is larger than the sum of its proper divisors (56356210).

57250624 is an equidigital number, since it uses as much as digits as its factorization.

57250624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894553 (or 894543 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 57250624 is about 7566.4142101791. The cubic root of 57250624 is about 385.4133391769.

Adding to 57250624 its reverse (42605275), we get a palindrome (99855899).

The spelling of 57250624 in words is "fifty-seven million, two hundred fifty thousand, six hundred twenty-four".