57228890964 has 24 divisors (see below), whose sum is σ = 152610376128. Its totient is φ = 16351111680.

The previous prime is 57228890959. The next prime is 57228890987. The reversal of 57228890964 is 46909882275.

57228890964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 57228890898 and 57228890907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340648077 + ... + 340648244.

It is an arithmetic number, because the mean of its divisors is an integer number (6358765672).

Almost surely, 2^57228890964 is an apocalyptic number.

It is an amenable number.

57228890964 is an abundant number, since it is smaller than the sum of its proper divisors (95381485164).

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

57228890964 is a wasteful number, since it uses less digits than its factorization.

57228890964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681296335 (or 681296333 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 60.

The spelling of 57228890964 in words is "fifty-seven billion, two hundred twenty-eight million, eight hundred ninety thousand, nine hundred sixty-four".