52171995 has 16 divisors (see below), whose sum is σ = 84533760. Its totient is φ = 27472224.

The previous prime is 52171993. The next prime is 52172009. The reversal of 52171995 is 59917125.

52171995 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52171995 - 2¹ = 52171993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52171993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20829 + ... + 23198.

It is an arithmetic number, because the mean of its divisors is an integer number (5283360).

Almost surely, 2^52171995 is an apocalyptic number.

52171995 is a deficient number, since it is larger than the sum of its proper divisors (32361765).

52171995 is a wasteful number, since it uses less digits than its factorization.

52171995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44114.

The product of its digits is 28350, while the sum is 39.

The square root of 52171995 is about 7223.0184133782. The cubic root of 52171995 is about 373.6621841164.

The spelling of 52171995 in words is "fifty-two million, one hundred seventy-one thousand, nine hundred ninety-five".