50172268320 has 144 divisors (see below), whose sum is σ = 177554220480. Its totient is φ = 13379261184.

The previous prime is 50172268313. The next prime is 50172268327. The reversal of 50172268320 is 2386227105.

50172268320 is a `hidden beast` number, since 5 + 0 + 1 + 72 + 268 + 320 = 666.

It is an interprime number because it is at equal distance from previous prime (50172268313) and next prime (50172268327).

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (50172268327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 606340 + ... + 684099.

It is an arithmetic number, because the mean of its divisors is an integer number (1233015420).

Almost surely, 2^50172268320 is an apocalyptic number.

It is an amenable number.

50172268320 is an abundant number, since it is smaller than the sum of its proper divisors (127381952160).

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

50172268320 is a wasteful number, since it uses less digits than its factorization.

50172268320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290469 (or 1290449 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 50172268320 in words is "fifty billion, one hundred seventy-two million, two hundred sixty-eight thousand, three hundred twenty".