52311311 has 4 divisors (see below), whose sum is σ = 56335272. Its totient is φ = 48287352.

The previous prime is 52311283. The next prime is 52311317. The reversal of 52311311 is 11311325.

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 52311311 - 2¹⁴ = 52294927 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52311311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52311317) 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, 2011961 + ... + 2011986.

It is an arithmetic number, because the mean of its divisors is an integer number (14083818).

Almost surely, 2^52311311 is an apocalyptic number.

52311311 is a deficient number, since it is larger than the sum of its proper divisors (4023961).

52311311 is a wasteful number, since it uses less digits than its factorization.

52311311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4023960.

The product of its digits is 90, while the sum is 17.

The square root of 52311311 is about 7232.6558745733. The cubic root of 52311311 is about 373.9944878938.

Adding to 52311311 its reverse (11311325), we get a palindrome (63622636).

The spelling of 52311311 in words is "fifty-two million, three hundred eleven thousand, three hundred eleven".