52011510222 has 64 divisors (see below), whose sum is σ = 120641716224. Its totient is φ = 14640941280.

The previous prime is 52011510211. The next prime is 52011510247. The reversal of 52011510222 is 22201511025.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 4965763 + ... + 4976225.

It is an arithmetic number, because the mean of its divisors is an integer number (1885026816).

Almost surely, 2^52011510222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52011510222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60320858112).

52011510222 is an abundant number, since it is smaller than the sum of its proper divisors (68630206002).

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

52011510222 is a wasteful number, since it uses less digits than its factorization.

52011510222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12213.

The product of its (nonzero) digits is 400, while the sum is 21.

The spelling of 52011510222 in words is "fifty-two billion, eleven million, five hundred ten thousand, two hundred twenty-two".