57521296 has 30 divisors (see below), whose sum is σ = 129644790. Its totient is φ = 24651648.

The previous prime is 57521293. The next prime is 57521327. The reversal of 57521296 is 69212575.

57521296 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 29811600 + 27709696 = 5460^2 + 5264^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57521293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35901 + ... + 37468.

It is an arithmetic number, because the mean of its divisors is an integer number (4321493).

Almost surely, 2^57521296 is an apocalyptic number.

57521296 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

57521296 is an abundant number, since it is smaller than the sum of its proper divisors (72123494).

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

57521296 is a wasteful number, since it uses less digits than its factorization.

57521296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73391 (or 73378 counting only the distinct ones).

The product of its digits is 37800, while the sum is 37.

The square root of 57521296 is about 7584.2795307135. The cubic root of 57521296 is about 386.0197758041.

The spelling of 57521296 in words is "fifty-seven million, five hundred twenty-one thousand, two hundred ninety-six".