50320651620 has 48 divisors (see below), whose sum is σ = 142480961280. Its totient is φ = 13268065536.

The previous prime is 50320651609. The next prime is 50320651639. The reversal of 50320651620 is 2615602305.

It is a super-2 number, since 2×50320651620² (a number of 22 digits) contains 22 as substring.

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

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 15 ways as a sum of consecutive naturals, for example, 4706332 + ... + 4717011.

It is an arithmetic number, because the mean of its divisors is an integer number (2968353360).

Almost surely, 2^50320651620 is an apocalyptic number.

It is an amenable number.

50320651620 is an abundant number, since it is smaller than the sum of its proper divisors (92160309660).

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

50320651620 is a wasteful number, since it uses less digits than its factorization.

50320651620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9423444 (or 9423442 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The spelling of 50320651620 in words is "fifty billion, three hundred twenty million, six hundred fifty-one thousand, six hundred twenty".