51731574222 has 16 divisors (see below), whose sum is σ = 103511498832. Its totient is φ = 17235799680.

The previous prime is 51731574197. The next prime is 51731574241. The reversal of 51731574222 is 22247513715.

51731574222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 2000683 + ... + 2026374.

It is an arithmetic number, because the mean of its divisors is an integer number (6469468677).

Almost surely, 2^51731574222 is an apocalyptic number.

51731574222 is an abundant number, since it is smaller than the sum of its proper divisors (51779924610).

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

51731574222 is a wasteful number, since it uses less digits than its factorization.

51731574222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4029203.

The product of its digits is 117600, while the sum is 39.

The spelling of 51731574222 in words is "fifty-one billion, seven hundred thirty-one million, five hundred seventy-four thousand, two hundred twenty-two".