52945131 has 4 divisors (see below), whose sum is σ = 70593512. Its totient is φ = 35296752.

The previous prime is 52945099. The next prime is 52945141. The reversal of 52945131 is 13154925.

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

It is not a de Polignac number, because 52945131 - 2⁵ = 52945099 is a prime.

It is a super-2 number, since 2×52945131² = 5606373793214322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52945141) 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, 8824186 + ... + 8824191.

It is an arithmetic number, because the mean of its divisors is an integer number (17648378).

Almost surely, 2^52945131 is an apocalyptic number.

52945131 is a deficient number, since it is larger than the sum of its proper divisors (17648381).

52945131 is a wasteful number, since it uses less digits than its factorization.

52945131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17648380.

The product of its digits is 5400, while the sum is 30.

The square root of 52945131 is about 7276.3404950566. The cubic root of 52945131 is about 375.4989057316.

The spelling of 52945131 in words is "fifty-two million, nine hundred forty-five thousand, one hundred thirty-one".