52131771 has 6 divisors (see below), whose sum is σ = 75301460. Its totient is φ = 34754508.

The previous prime is 52131769. The next prime is 52131773. The reversal of 52131771 is 17713125.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (52131769) and next prime (52131773).

It is not a de Polignac number, because 52131771 - 2¹ = 52131769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52131773) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2896201 + ... + 2896218.

Almost surely, 2^52131771 is an apocalyptic number.

52131771 is a deficient number, since it is larger than the sum of its proper divisors (23169689).

52131771 is a wasteful number, since it uses less digits than its factorization.

52131771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5792425 (or 5792422 counting only the distinct ones).

The product of its digits is 1470, while the sum is 27.

The square root of 52131771 is about 7220.2334449795. The cubic root of 52131771 is about 373.5661296971.

Adding to 52131771 its reverse (17713125), we get a palindrome (69844896).

The spelling of 52131771 in words is "fifty-two million, one hundred thirty-one thousand, seven hundred seventy-one".