52174722780 has 240 divisors, whose sum is σ = 175097504736. Its totient is φ = 12959170560.

The previous prime is 52174722751. The next prime is 52174722799. The reversal of 52174722780 is 8722747125.

52174722780 is a `hidden beast` number, since 521 + 7 + 47 + 2 + 2 + 7 + 80 = 666.

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

It is a congruent number.

It is an unprimeable number.

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 79 ways as a sum of consecutive naturals, for example, 2661615 + ... + 2681145.

Almost surely, 2^52174722780 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 52174722780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87548752368).

52174722780 is an abundant number, since it is smaller than the sum of its proper divisors (122922781956).

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

52174722780 is a wasteful number, since it uses less digits than its factorization.

52174722780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19666 (or 19655 counting only the distinct ones).

The product of its (nonzero) digits is 439040, while the sum is 45.

The spelling of 52174722780 in words is "fifty-two billion, one hundred seventy-four million, seven hundred twenty-two thousand, seven hundred eighty".