52913970612 has 72 divisors (see below), whose sum is σ = 136408492584. Its totient is φ = 17288683776.

The previous prime is 52913970553. The next prime is 52913970623. The reversal of 52913970612 is 21607931925.

It is a happy number.

52913970612 is a `hidden beast` number, since 5 + 29 + 1 + 3 + 9 + 7 + 0 + 612 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 11958734736 + 40955235876 = 109356^2 + 202374^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2072758 + ... + 2098130.

It is an arithmetic number, because the mean of its divisors is an integer number (1894562397).

Almost surely, 2^52913970612 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 52913970612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68204246292).

52913970612 is an abundant number, since it is smaller than the sum of its proper divisors (83494521972).

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

52913970612 is a wasteful number, since it uses less digits than its factorization.

52913970612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26529 (or 26524 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The spelling of 52913970612 in words is "fifty-two billion, nine hundred thirteen million, nine hundred seventy thousand, six hundred twelve".