52172127 has 16 divisors (see below), whose sum is σ = 88334080. Its totient is φ = 29812536.

The previous prime is 52172123. The next prime is 52172137. The reversal of 52172127 is 72127125.

It is not a de Polignac number, because 52172127 - 2² = 52172123 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52172127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52172123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137833 + ... + 138210.

It is an arithmetic number, because the mean of its divisors is an integer number (5520880).

Almost surely, 2^52172127 is an apocalyptic number.

52172127 is a deficient number, since it is larger than the sum of its proper divisors (36161953).

52172127 is a wasteful number, since it uses less digits than its factorization.

52172127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276059 (or 276053 counting only the distinct ones).

The product of its digits is 1960, while the sum is 27.

The square root of 52172127 is about 7223.0275508266. The cubic root of 52172127 is about 373.6624992495.

The spelling of 52172127 in words is "fifty-two million, one hundred seventy-two thousand, one hundred twenty-seven".