57025224 has 96 divisors (see below), whose sum is σ = 160411680. Its totient is φ = 18289152.

The previous prime is 57025207. The next prime is 57025249. The reversal of 57025224 is 42252075.

It is a hoax number, since the sum of its digits (27) 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 in 23 ways as a sum of consecutive naturals, for example, 349767 + ... + 349929.

It is an arithmetic number, because the mean of its divisors is an integer number (1670955).

Almost surely, 2^57025224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57025224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80205840).

57025224 is an abundant number, since it is smaller than the sum of its proper divisors (103386456).

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

57025224 is a wasteful number, since it uses less digits than its factorization.

57025224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331 (or 324 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 57025224 is about 7551.5047507103. The cubic root of 57025224 is about 384.9068735234.

Adding to 57025224 its reverse (42252075), we get a palindrome (99277299).

The spelling of 57025224 in words is "fifty-seven million, twenty-five thousand, two hundred twenty-four".