52011631620 has 288 divisors, whose sum is σ = 176813425152. Its totient is φ = 12292660224.

The previous prime is 52011631619. The next prime is 52011631657. The reversal of 52011631620 is 2613611025.

52011631620 is a `hidden beast` number, since 5 + 2 + 0 + 1 + 1 + 6 + 31 + 620 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5824479 + ... + 5833401.

It is an arithmetic number, because the mean of its divisors is an integer number (613935504).

Almost surely, 2^52011631620 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 52011631620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88406712576).

52011631620 is an abundant number, since it is smaller than the sum of its proper divisors (124801793532).

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

52011631620 is a wasteful number, since it uses less digits than its factorization.

52011631620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9051 (or 9046 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The spelling of 52011631620 in words is "fifty-two billion, eleven million, six hundred thirty-one thousand, six hundred twenty".