52577500780 has 144 divisors (see below), whose sum is σ = 131105169216. Its totient is φ = 17655805440.

The previous prime is 52577500751. The next prime is 52577500813. The reversal of 52577500780 is 8700577525.

It is a self number, because there is not a number n which added to its sum of digits gives 52577500780.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10921654 + ... + 10926466.

It is an arithmetic number, because the mean of its divisors is an integer number (910452564).

Almost surely, 2^52577500780 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 52577500780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65552584608).

52577500780 is an abundant number, since it is smaller than the sum of its proper divisors (78527668436).

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

52577500780 is a wasteful number, since it uses less digits than its factorization.

52577500780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5064 (or 5055 counting only the distinct ones).

The product of its (nonzero) digits is 686000, while the sum is 46.

The spelling of 52577500780 in words is "fifty-two billion, five hundred seventy-seven million, five hundred thousand, seven hundred eighty".