51560610222 has 64 divisors (see below), whose sum is σ = 115683552000. Its totient is φ = 15182772480.

The previous prime is 51560610197. The next prime is 51560610313. The reversal of 51560610222 is 22201606515.

It is a self number, because there is not a number n which added to its sum of digits gives 51560610222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1962529 + ... + 1988627.

It is an arithmetic number, because the mean of its divisors is an integer number (1807555500).

Almost surely, 2^51560610222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51560610222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57841776000).

51560610222 is an abundant number, since it is smaller than the sum of its proper divisors (64122941778).

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

51560610222 is a wasteful number, since it uses less digits than its factorization.

51560610222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26961.

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 51560610222 in words is "fifty-one billion, five hundred sixty million, six hundred ten thousand, two hundred twenty-two".