52431534 has 24 divisors (see below), whose sum is σ = 116245272. Its totient is φ = 17070480.

The previous prime is 52431527. The next prime is 52431539. The reversal of 52431534 is 43513425.

It is a junction number, because it is equal to n+sod(n) for n = 52431498 and 52431507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52431539) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33097 + ... + 34644.

It is an arithmetic number, because the mean of its divisors is an integer number (4843553).

Almost surely, 2^52431534 is an apocalyptic number.

52431534 is an abundant number, since it is smaller than the sum of its proper divisors (63813738).

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

52431534 is a wasteful number, since it uses less digits than its factorization.

52431534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67792 (or 67789 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 52431534 is about 7240.9622288754. The cubic root of 52431534 is about 374.2807761273.

Adding to 52431534 its reverse (43513425), we get a palindrome (95944959).

The spelling of 52431534 in words is "fifty-two million, four hundred thirty-one thousand, five hundred thirty-four".