50320522252 has 96 divisors (see below), whose sum is σ = 118306427904. Its totient is φ = 18086457600.

The previous prime is 50320522249. The next prime is 50320522277. The reversal of 50320522252 is 25222502305.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 50320522252.

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 31 ways as a sum of consecutive naturals, for example, 10019502 + ... + 10024522.

It is an arithmetic number, because the mean of its divisors is an integer number (1232358624).

Almost surely, 2^50320522252 is an apocalyptic number.

50320522252 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50320522252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59153213952).

50320522252 is an abundant number, since it is smaller than the sum of its proper divisors (67985905652).

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

50320522252 is a wasteful number, since it uses less digits than its factorization.

50320522252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7559 (or 7557 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 28.

The spelling of 50320522252 in words is "fifty billion, three hundred twenty million, five hundred twenty-two thousand, two hundred fifty-two".