52656536502 has 72 divisors (see below), whose sum is σ = 124562402640. Its totient is φ = 16054930080.

The previous prime is 52656536501. The next prime is 52656536503. The reversal of 52656536502 is 20563565625.

52656536502 is a `hidden beast` number, since 5 + 2 + 6 + 565 + 36 + 50 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (52656536501) and next prime (52656536503).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52656536501) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 48727 + ... + 328157.

It is an arithmetic number, because the mean of its divisors is an integer number (1730033370).

Almost surely, 2^52656536502 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52656536502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62281201320).

52656536502 is an abundant number, since it is smaller than the sum of its proper divisors (71905866138).

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

52656536502 is a wasteful number, since it uses less digits than its factorization.

52656536502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279506 (or 279484 counting only the distinct ones).

The product of its (nonzero) digits is 1620000, while the sum is 45.

The spelling of 52656536502 in words is "fifty-two billion, six hundred fifty-six million, five hundred thirty-six thousand, five hundred two".