50320556220 has 96 divisors (see below), whose sum is σ = 153850023936. Its totient is φ = 12187526400.

The previous prime is 50320556203. The next prime is 50320556269. The reversal of 50320556220 is 2265502305.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 682350 + ... + 752490.

It is an arithmetic number, because the mean of its divisors is an integer number (1602604416).

Almost surely, 2^50320556220 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 50320556220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76925011968).

50320556220 is an abundant number, since it is smaller than the sum of its proper divisors (103529467716).

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

50320556220 is a wasteful number, since it uses less digits than its factorization.

50320556220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71251 (or 71249 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The spelling of 50320556220 in words is "fifty billion, three hundred twenty million, five hundred fifty-six thousand, two hundred twenty".