57920422658 has 90 divisors (see below), whose sum is σ = 106659354627. Its totient is φ = 23586532200.

The previous prime is 57920422657. The next prime is 57920422699. The reversal of 57920422658 is 85622402975.

It can be written as a sum of positive squares in only one way, i.e., 28960211329 + 28960211329 = 170177^2 + 170177^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=170177.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (57920422657) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 383578883 + ... + 383579033.

Almost surely, 2^57920422658 is an apocalyptic number.

57920422658 is a deficient number, since it is larger than the sum of its proper divisors (48738931969).

57920422658 is an frugal number, since it uses more digits than its factorization.

57920422658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 50.

Multiplying 57920422658 by its sum of digits (50), we get a square (2896021132900 = 1701770²).

The spelling of 57920422658 in words is "fifty-seven billion, nine hundred twenty million, four hundred twenty-two thousand, six hundred fifty-eight".