52031129 has 4 divisors (see below), whose sum is σ = 54293376. Its totient is φ = 49768884.

The previous prime is 52031117. The next prime is 52031149. The reversal of 52031129 is 92113025.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52031129 - 2²⁰ = 50982553 is a prime.

It is a super-3 number, since 3×52031129³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 2262223 = 52031129 / (5 + 2 + 0 + 3 + 1 + 1 + 2 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52031149) 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, 1131089 + ... + 1131134.

It is an arithmetic number, because the mean of its divisors is an integer number (13573344).

Almost surely, 2^52031129 is an apocalyptic number.

It is an amenable number.

52031129 is a deficient number, since it is larger than the sum of its proper divisors (2262247).

52031129 is a wasteful number, since it uses less digits than its factorization.

52031129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2262246.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 52031129 is about 7213.2606358013. The cubic root of 52031129 is about 373.3255811705.

The spelling of 52031129 in words is "fifty-two million, thirty-one thousand, one hundred twenty-nine".