52561983120 has 160 divisors (see below), whose sum is σ = 174466690560. Its totient is φ = 13043712000.

The previous prime is 52561983119. The next prime is 52561983121. The reversal of 52561983120 is 2138916525.

It is an interprime number because it is at equal distance from previous prime (52561983119) and next prime (52561983121).

It is not an unprimeable number, because it can be changed into a prime (52561983121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 290745 + ... + 435495.

It is an arithmetic number, because the mean of its divisors is an integer number (1090416816).

Almost surely, 2^52561983120 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 52561983120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87233345280).

52561983120 is an abundant number, since it is smaller than the sum of its proper divisors (121904707440).

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

52561983120 is a wasteful number, since it uses less digits than its factorization.

52561983120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144873 (or 144867 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 42.

The spelling of 52561983120 in words is "fifty-two billion, five hundred sixty-one million, nine hundred eighty-three thousand, one hundred twenty".