52431799 has 4 divisors (see below), whose sum is σ = 59922064. Its totient is φ = 44941536.

The previous prime is 52431793. The next prime is 52431803. The reversal of 52431799 is 99713425.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52431799 - 2⁵ = 52431767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52431793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3745122 + ... + 3745135.

It is an arithmetic number, because the mean of its divisors is an integer number (14980516).

Almost surely, 2^52431799 is an apocalyptic number.

52431799 is a deficient number, since it is larger than the sum of its proper divisors (7490265).

52431799 is an equidigital number, since it uses as much as digits as its factorization.

52431799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7490264.

The product of its digits is 68040, while the sum is 40.

The square root of 52431799 is about 7240.9805275253. The cubic root of 52431799 is about 374.2814066908.

It can be divided in two parts, 524 and 31799, that added together give a palindrome (32323).

The spelling of 52431799 in words is "fifty-two million, four hundred thirty-one thousand, seven hundred ninety-nine".