52431133 has 4 divisors (see below), whose sum is σ = 52813980. Its totient is φ = 52048288.

The previous prime is 52431131. The next prime is 52431167. The reversal of 52431133 is 33113425.

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

It can be written as a sum of positive squares in 2 ways, for example, as 39664804 + 12766329 = 6298^2 + 3573^2 .

It is a cyclic number.

It is not a de Polignac number, because 52431133 - 2¹ = 52431131 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 (52431131) 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, 191218 + ... + 191491.

It is an arithmetic number, because the mean of its divisors is an integer number (13203495).

Almost surely, 2^52431133 is an apocalyptic number.

It is an amenable number.

52431133 is a deficient number, since it is larger than the sum of its proper divisors (382847).

52431133 is a wasteful number, since it uses less digits than its factorization.

52431133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382846.

The product of its digits is 1080, while the sum is 22.

The square root of 52431133 is about 7240.9345391324. The cubic root of 52431133 is about 374.2798219497.

Adding to 52431133 its reverse (33113425), we get a palindrome (85544558).

The spelling of 52431133 in words is "fifty-two million, four hundred thirty-one thousand, one hundred thirty-three".