50138231 has 8 divisors (see below), whose sum is σ = 58903824. Its totient is φ = 42073920.

The previous prime is 50138227. The next prime is 50138281. The reversal of 50138231 is 13283105.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50138231 - 2² = 50138227 is a prime.

It is a super-2 number, since 2×50138231² = 5027684415618722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50138197 and 50138206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50138201) 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, 175166 + ... + 175451.

It is an arithmetic number, because the mean of its divisors is an integer number (7362978).

Almost surely, 2^50138231 is an apocalyptic number.

50138231 is a deficient number, since it is larger than the sum of its proper divisors (8765593).

50138231 is a wasteful number, since it uses less digits than its factorization.

50138231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350641.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 50138231 is about 7080.8354733040. The cubic root of 50138231 is about 368.7423357212.

The spelling of 50138231 in words is "fifty million, one hundred thirty-eight thousand, two hundred thirty-one".