52133431 has 8 divisors (see below), whose sum is σ = 59947904. Its totient is φ = 44410680.

The previous prime is 52133401. The next prime is 52133447. The reversal of 52133431 is 13433125.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52133431 - 2¹⁹ = 51609143 is a prime.

It is a super-5 number, since 5×52133431⁵ (a number of 40 digits) contains 55555 as substring. Note that it is a super-d number also for d = 4, 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52133401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21705 + ... + 23986.

It is an arithmetic number, because the mean of its divisors is an integer number (7493488).

Almost surely, 2^52133431 is an apocalyptic number.

52133431 is a deficient number, since it is larger than the sum of its proper divisors (7814473).

52133431 is a wasteful number, since it uses less digits than its factorization.

52133431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45861.

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

The square root of 52133431 is about 7220.3483987963. The cubic root of 52133431 is about 373.5700947340.

Adding to 52133431 its reverse (13433125), we get a palindrome (65566556).

The spelling of 52133431 in words is "fifty-two million, one hundred thirty-three thousand, four hundred thirty-one".