52311443 has 4 divisors (see below), whose sum is σ = 52332720. Its totient is φ = 52290168.

The previous prime is 52311439. The next prime is 52311461. The reversal of 52311443 is 34411325.

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

It is a cyclic number.

It is not a de Polignac number, because 52311443 - 2² = 52311439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52311433) 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, 6383 + ... + 12056.

It is an arithmetic number, because the mean of its divisors is an integer number (13083180).

Almost surely, 2^52311443 is an apocalyptic number.

52311443 is a deficient number, since it is larger than the sum of its proper divisors (21277).

52311443 is a wasteful number, since it uses less digits than its factorization.

52311443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21276.

The product of its digits is 1440, while the sum is 23.

The square root of 52311443 is about 7232.6649998462. The cubic root of 52311443 is about 373.9948024672.

Adding to 52311443 its reverse (34411325), we get a palindrome (86722768).

The spelling of 52311443 in words is "fifty-two million, three hundred eleven thousand, four hundred forty-three".