52311361 has 4 divisors (see below), whose sum is σ = 54585792. Its totient is φ = 50036932.

The previous prime is 52311359. The next prime is 52311409. The reversal of 52311361 is 16311325.

It is a happy number.

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 52311361 - 2¹ = 52311359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52311461) 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, 1137181 + ... + 1137226.

It is an arithmetic number, because the mean of its divisors is an integer number (13646448).

Almost surely, 2^52311361 is an apocalyptic number.

It is an amenable number.

52311361 is a deficient number, since it is larger than the sum of its proper divisors (2274431).

52311361 is a wasteful number, since it uses less digits than its factorization.

52311361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2274430.

The product of its digits is 540, while the sum is 22.

The square root of 52311361 is about 7232.6593311174. The cubic root of 52311361 is about 373.9946070505.

Adding to 52311361 its reverse (16311325), we get a palindrome (68622686).

The spelling of 52311361 in words is "fifty-two million, three hundred eleven thousand, three hundred sixty-one".