52761811830 has 576 divisors, whose sum is σ = 174584652480. Its totient is φ = 10139351040.

The previous prime is 52761811829. The next prime is 52761811859. The reversal of 52761811830 is 3811816725.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 287 ways as a sum of consecutive naturals, for example, 1701993915 + ... + 1701993945.

It is an arithmetic number, because the mean of its divisors is an integer number (303098355).

Almost surely, 2^52761811830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52761811830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87292326240).

52761811830 is an abundant number, since it is smaller than the sum of its proper divisors (121822840650).

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

52761811830 is a wasteful number, since it uses less digits than its factorization.

52761811830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 42.

The spelling of 52761811830 in words is "fifty-two billion, seven hundred sixty-one million, eight hundred eleven thousand, eight hundred thirty".