50172261 has 8 divisors (see below), whose sum is σ = 66934560. Its totient is φ = 33429072.

The previous prime is 50172209. The next prime is 50172263. The reversal of 50172261 is 16227105.

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

It is not a de Polignac number, because 50172261 - 2⁹ = 50171749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50172263) 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, 3306 + ... + 10548.

It is an arithmetic number, because the mean of its divisors is an integer number (8366820).

Almost surely, 2^50172261 is an apocalyptic number.

It is an amenable number.

50172261 is a deficient number, since it is larger than the sum of its proper divisors (16762299).

50172261 is a wasteful number, since it uses less digits than its factorization.

50172261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9555.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 50172261 is about 7083.2380307314. The cubic root of 50172261 is about 368.8257415612.

Adding to 50172261 its reverse (16227105), we get a palindrome (66399366).

The spelling of 50172261 in words is "fifty million, one hundred seventy-two thousand, two hundred sixty-one".