52171889 has 32 divisors (see below), whose sum is σ = 68843520. Its totient is φ = 38332800.

The previous prime is 52171879. The next prime is 52171907. The reversal of 52171889 is 98817125.

It is not a de Polignac number, because 52171889 - 2¹² = 52167793 is a prime.

It is a super-3 number, since 3×52171889³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52171829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 157454 + ... + 157784.

It is an arithmetic number, because the mean of its divisors is an integer number (2151360).

Almost surely, 2^52171889 is an apocalyptic number.

It is an amenable number.

52171889 is a deficient number, since it is larger than the sum of its proper divisors (16671631).

52171889 is a wasteful number, since it uses less digits than its factorization.

52171889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461.

The product of its digits is 40320, while the sum is 41.

The square root of 52171889 is about 7223.0110757218. The cubic root of 52171889 is about 373.6619310546.

The spelling of 52171889 in words is "fifty-two million, one hundred seventy-one thousand, eight hundred eighty-nine".