52431560 has 16 divisors (see below), whose sum is σ = 117971100. Its totient is φ = 20972608.

The previous prime is 52431557. The next prime is 52431647. The reversal of 52431560 is 6513425.

It can be written as a sum of positive squares in 2 ways, for example, as 44009956 + 8421604 = 6634^2 + 2902^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 655355 + ... + 655434.

Almost surely, 2^52431560 is an apocalyptic number.

It is an amenable number.

52431560 is an abundant number, since it is smaller than the sum of its proper divisors (65539540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52431560 is a wasteful number, since it uses less digits than its factorization.

52431560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310800 (or 1310796 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 52431560 is about 7240.9640242167. The cubic root of 52431560 is about 374.2808379940.

Adding to 52431560 its reverse (6513425), we get a palindrome (58944985).

The spelling of 52431560 in words is "fifty-two million, four hundred thirty-one thousand, five hundred sixty".