57522210828 has 24 divisors (see below), whose sum is σ = 138548121600. Its totient is φ = 18555551760.

The previous prime is 57522210821. The next prime is 57522210841. The reversal of 57522210828 is 82801222575.

It is a self number, because there is not a number n which added to its sum of digits gives 57522210828.

It is not an unprimeable number, because it can be changed into a prime (57522210821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77314428 + ... + 77315171.

It is an arithmetic number, because the mean of its divisors is an integer number (5772838400).

Almost surely, 2^57522210828 is an apocalyptic number.

It is an amenable number.

57522210828 is an abundant number, since it is smaller than the sum of its proper divisors (81025910772).

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

57522210828 is a wasteful number, since it uses less digits than its factorization.

57522210828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154629637 (or 154629635 counting only the distinct ones).

The product of its (nonzero) digits is 179200, while the sum is 42.

The spelling of 57522210828 in words is "fifty-seven billion, five hundred twenty-two million, two hundred ten thousand, eight hundred twenty-eight".