57225504 has 192 divisors, whose sum is σ = 184246272. Its totient is φ = 15206400.

The previous prime is 57225491. The next prime is 57225523. The reversal of 57225504 is 40552275.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 854079 + ... + 854145.

It is an arithmetic number, because the mean of its divisors is an integer number (959616).

Almost surely, 2^57225504 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 57225504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92123136).

57225504 is an abundant number, since it is smaller than the sum of its proper divisors (127020768).

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

57225504 is a wasteful number, since it uses less digits than its factorization.

57225504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159 (or 151 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 30.

The square root of 57225504 is about 7564.7540607742. The cubic root of 57225504 is about 385.3569613376.

Adding to 57225504 its reverse (40552275), we get a palindrome (97777779).

The spelling of 57225504 in words is "fifty-seven million, two hundred twenty-five thousand, five hundred four".