50172057 has 24 divisors (see below), whose sum is σ = 78286208. Its totient is φ = 30780000.

The previous prime is 50172047. The next prime is 50172091. The reversal of 50172057 is 75027105.

It is not a de Polignac number, because 50172057 - 2⁴ = 50172041 is a prime.

It is a super-2 number, since 2×50172057² = 5034470607222498, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 50172057.

It is not an unprimeable number, because it can be changed into a prime (50172047) 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, 66432 + ... + 67182.

Almost surely, 2^50172057 is an apocalyptic number.

It is an amenable number.

50172057 is a deficient number, since it is larger than the sum of its proper divisors (28114151).

50172057 is a wasteful number, since it uses less digits than its factorization.

50172057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341 (or 1338 counting only the distinct ones).

The product of its (nonzero) digits is 2450, while the sum is 27.

The square root of 50172057 is about 7083.2236305230. The cubic root of 50172057 is about 368.8252416797.

The spelling of 50172057 in words is "fifty million, one hundred seventy-two thousand, fifty-seven".