52131422 has 16 divisors (see below), whose sum is σ = 89722080. Its totient is φ = 22253568.

The previous prime is 52131419. The next prime is 52131449. The reversal of 52131422 is 22413125.

It is a junction number, because it is equal to n+sod(n) for n = 52131394 and 52131403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3647 + ... + 10842.

It is an arithmetic number, because the mean of its divisors is an integer number (5607630).

Almost surely, 2^52131422 is an apocalyptic number.

52131422 is a deficient number, since it is larger than the sum of its proper divisors (37590658).

52131422 is a wasteful number, since it uses less digits than its factorization.

52131422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14755.

The product of its digits is 480, while the sum is 20.

The square root of 52131422 is about 7220.2092767454. The cubic root of 52131422 is about 373.5652960732.

Adding to 52131422 its reverse (22413125), we get a palindrome (74544547).

The spelling of 52131422 in words is "fifty-two million, one hundred thirty-one thousand, four hundred twenty-two".