52961158944 has 144 divisors (see below), whose sum is σ = 156397661784. Its totient is φ = 16986931200.

The previous prime is 52961158919. The next prime is 52961158967. The reversal of 52961158944 is 44985116925.

52961158944 is a `hidden beast` number, since 5 + 2 + 9 + 6 + 11 + 589 + 44 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 31965148944 + 20996010000 = 178788^2 + 144900^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 831264 + ... + 892704.

Almost surely, 2^52961158944 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 52961158944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78198830892).

52961158944 is an abundant number, since it is smaller than the sum of its proper divisors (103436502840).

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

52961158944 is a wasteful number, since it uses less digits than its factorization.

52961158944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61571 (or 61560 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 54.

The spelling of 52961158944 in words is "fifty-two billion, nine hundred sixty-one million, one hundred fifty-eight thousand, nine hundred forty-four".