52561641412 has 48 divisors (see below), whose sum is σ = 107585372160. Its totient is φ = 22000840992.

The previous prime is 52561641383. The next prime is 52561641427. The reversal of 52561641412 is 21414616525.

It is a super-2 number, since 2×52561641412² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 588673 + ... + 672055.

It is an arithmetic number, because the mean of its divisors is an integer number (2241361920).

Almost surely, 2^52561641412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52561641412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53792686080).

52561641412 is an abundant number, since it is smaller than the sum of its proper divisors (55023730748).

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

52561641412 is a wasteful number, since it uses less digits than its factorization.

52561641412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83920 (or 83918 counting only the distinct ones).

The product of its digits is 57600, while the sum is 37.

The spelling of 52561641412 in words is "fifty-two billion, five hundred sixty-one million, six hundred forty-one thousand, four hundred twelve".