52091930880 has 864 divisors, whose sum is σ = 209241107712. Its totient is φ = 11840716800.

The previous prime is 52091930873. The next prime is 52091930881. The reversal of 52091930880 is 8803919025.

It is a happy number.

52091930880 is a `hidden beast` number, since 520 + 9 + 19 + 30 + 8 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (52091930881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 177788014 + ... + 177788306.

It is an arithmetic number, because the mean of its divisors is an integer number (242177208).

Almost surely, 2^52091930880 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 52091930880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104620553856).

52091930880 is an abundant number, since it is smaller than the sum of its proper divisors (157149176832).

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

52091930880 is a wasteful number, since it uses less digits than its factorization.

52091930880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415 (or 398 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The spelling of 52091930880 in words is "fifty-two billion, ninety-one million, nine hundred thirty thousand, eight hundred eighty".