52780305550 has 96 divisors (see below), whose sum is σ = 115112275200. Its totient is φ = 17631183360.

The previous prime is 52780305547. The next prime is 52780305551. The reversal of 52780305550 is 5550308725.

It is a happy number.

52780305550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52780305551) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2322141 + ... + 2344759.

It is an arithmetic number, because the mean of its divisors is an integer number (1199086200).

Almost surely, 2^52780305550 is an apocalyptic number.

52780305550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52780305550 is an abundant number, since it is smaller than the sum of its proper divisors (62331969650).

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

52780305550 is a wasteful number, since it uses less digits than its factorization.

52780305550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22810 (or 22805 counting only the distinct ones).

The product of its (nonzero) digits is 210000, while the sum is 40.

The spelling of 52780305550 in words is "fifty-two billion, seven hundred eighty million, three hundred five thousand, five hundred fifty".