50191872 has 80 divisors (see below), whose sum is σ = 137147472. Its totient is φ = 16302080.

The previous prime is 50191829. The next prime is 50191873. The reversal of 50191872 is 27819105.

It is a super-3 number, since 3×50191872³ (a number of 24 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50191873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62578 + ... + 63374.

Almost surely, 2^50191872 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 50191872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68573736).

50191872 is an abundant number, since it is smaller than the sum of its proper divisors (86955600).

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

50191872 is an equidigital number, since it uses as much as digits as its factorization.

50191872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859 (or 843 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 33.

The square root of 50191872 is about 7084.6222199917. The cubic root of 50191872 is about 368.8737900198.

The spelling of 50191872 in words is "fifty million, one hundred ninety-one thousand, eight hundred seventy-two".