57426322056 has 32 divisors (see below), whose sum is σ = 143761709760. Its totient is φ = 19115986752.

The previous prime is 57426322013. The next prime is 57426322061. The reversal of 57426322056 is 65022362475.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 57426321999 and 57426322017.

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, 1614580 + ... + 1649763.

It is an arithmetic number, because the mean of its divisors is an integer number (4492553430).

Almost surely, 2^57426322056 is an apocalyptic number.

It is an amenable number.

57426322056 is an abundant number, since it is smaller than the sum of its proper divisors (86335387704).

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

57426322056 is a wasteful number, since it uses less digits than its factorization.

57426322056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3265085 (or 3265081 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 42.

The spelling of 57426322056 in words is "fifty-seven billion, four hundred twenty-six million, three hundred twenty-two thousand, fifty-six".