52431135530 has 16 divisors (see below), whose sum is σ = 94409836200. Its totient is φ = 20964944832.

The previous prime is 52431135527. The next prime is 52431135571. The reversal of 52431135530 is 3553113425.

It can be written as a sum of positive squares in 4 ways, for example, as 39496395169 + 12934740361 = 198737^2 + 113731^2 .

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, 909305 + ... + 965244.

Almost surely, 2^52431135530 is an apocalyptic number.

52431135530 is a deficient number, since it is larger than the sum of its proper divisors (41978700670).

52431135530 is a wasteful number, since it uses less digits than its factorization.

52431135530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1877353.

The product of its (nonzero) digits is 27000, while the sum is 32.

Adding to 52431135530 its reverse (3553113425), we get a palindrome (55984248955).

The spelling of 52431135530 in words is "fifty-two billion, four hundred thirty-one million, one hundred thirty-five thousand, five hundred thirty".