52931161 has 4 divisors (see below), whose sum is σ = 52998372. Its totient is φ = 52863952.

The previous prime is 52931159. The next prime is 52931173. The reversal of 52931161 is 16113925.

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 20793600 + 32137561 = 4560^2 + 5669^2 .

It is a cyclic number.

It is not a de Polignac number, because 52931161 - 2¹ = 52931159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52931101) 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, 32410 + ... + 34003.

It is an arithmetic number, because the mean of its divisors is an integer number (13249593).

Almost surely, 2^52931161 is an apocalyptic number.

It is an amenable number.

52931161 is a deficient number, since it is larger than the sum of its proper divisors (67211).

52931161 is an equidigital number, since it uses as much as digits as its factorization.

52931161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67210.

The product of its digits is 1620, while the sum is 28.

The square root of 52931161 is about 7275.3804711506. The cubic root of 52931161 is about 375.4658766878.

The spelling of 52931161 in words is "fifty-two million, nine hundred thirty-one thousand, one hundred sixty-one".