52802585528 has 64 divisors (see below), whose sum is σ = 123548716800. Its totient is φ = 20553419520.

The previous prime is 52802585509. The next prime is 52802585551. The reversal of 52802585528 is 82558520825.

It is a super-2 number, since 2×52802585528² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 636683 + ... + 714821.

It is an arithmetic number, because the mean of its divisors is an integer number (1930448700).

Almost surely, 2^52802585528 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 52802585528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61774358400).

52802585528 is an abundant number, since it is smaller than the sum of its proper divisors (70746131272).

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

52802585528 is a wasteful number, since it uses less digits than its factorization.

52802585528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79260 (or 79256 counting only the distinct ones).

The product of its (nonzero) digits is 2560000, while the sum is 50.

The spelling of 52802585528 in words is "fifty-two billion, eight hundred two million, five hundred eighty-five thousand, five hundred twenty-eight".