52778692194 has 32 divisors (see below), whose sum is σ = 105998834304. Its totient is φ = 17519374080.

The previous prime is 52778692189. The next prime is 52778692207. The reversal of 52778692194 is 49129687725.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5930412 + ... + 5939304.

It is an arithmetic number, because the mean of its divisors is an integer number (3312463572).

Almost surely, 2^52778692194 is an apocalyptic number.

52778692194 is an abundant number, since it is smaller than the sum of its proper divisors (53220142110).

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

52778692194 is a wasteful number, since it uses less digits than its factorization.

52778692194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12922.

The product of its digits is 15240960, while the sum is 60.

The spelling of 52778692194 in words is "fifty-two billion, seven hundred seventy-eight million, six hundred ninety-two thousand, one hundred ninety-four".