50172051 has 8 divisors (see below), whose sum is σ = 66939280. Its totient is φ = 33426432.

The previous prime is 50172047. The next prime is 50172091. The reversal of 50172051 is 15027105.

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

It is not a de Polignac number, because 50172051 - 2² = 50172047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50172011) 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, 1155 + ... + 10083.

It is an arithmetic number, because the mean of its divisors is an integer number (8367410).

Almost surely, 2^50172051 is an apocalyptic number.

50172051 is a deficient number, since it is larger than the sum of its proper divisors (16767229).

50172051 is a wasteful number, since it uses less digits than its factorization.

50172051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10805.

The product of its (nonzero) digits is 350, while the sum is 21.

The square root of 50172051 is about 7083.2232069871. The cubic root of 50172051 is about 368.8252269773.

Adding to 50172051 its reverse (15027105), we get a palindrome (65199156).

The spelling of 50172051 in words is "fifty million, one hundred seventy-two thousand, fifty-one".