52090639680 has 112 divisors (see below), whose sum is σ = 165747947904. Its totient is φ = 13860587520.

The previous prime is 52090639673. The next prime is 52090639691. The reversal of 52090639680 is 8693609025.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 383709 + ... + 501411.

It is an arithmetic number, because the mean of its divisors is an integer number (1479892392).

Almost surely, 2^52090639680 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 52090639680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82873973952).

52090639680 is an abundant number, since it is smaller than the sum of its proper divisors (113657308224).

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

52090639680 is a wasteful number, since it uses less digits than its factorization.

52090639680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118184 (or 118174 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 48.

The spelling of 52090639680 in words is "fifty-two billion, ninety million, six hundred thirty-nine thousand, six hundred eighty".