52155979072 has 112 divisors (see below), whose sum is σ = 111677500800. Its totient is φ = 24103360512.

The previous prime is 52155979061. The next prime is 52155979079. The reversal of 52155979072 is 27097955125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52155979079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8111923 + ... + 8118349.

Almost surely, 2^52155979072 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 52155979072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55838750400).

52155979072 is an abundant number, since it is smaller than the sum of its proper divisors (59521521728).

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

52155979072 is a wasteful number, since it uses less digits than its factorization.

52155979072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6648 (or 6638 counting only the distinct ones).

The product of its (nonzero) digits is 1984500, while the sum is 52.

The spelling of 52155979072 in words is "fifty-two billion, one hundred fifty-five million, nine hundred seventy-nine thousand, seventy-two".