52122311 has 4 divisors (see below), whose sum is σ = 53005800. Its totient is φ = 51238824.

The previous prime is 52122299. The next prime is 52122313. The reversal of 52122311 is 11322125.

It is a happy number.

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 52122311 - 2¹⁰ = 52121287 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 52122311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52122313) 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, 441656 + ... + 441773.

It is an arithmetic number, because the mean of its divisors is an integer number (13251450).

Almost surely, 2^52122311 is an apocalyptic number.

52122311 is a deficient number, since it is larger than the sum of its proper divisors (883489).

52122311 is an equidigital number, since it uses as much as digits as its factorization.

52122311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883488.

The product of its digits is 120, while the sum is 17.

The square root of 52122311 is about 7219.5783117853. The cubic root of 52122311 is about 373.5435321569.

Adding to 52122311 its reverse (11322125), we get a palindrome (63444436).

The spelling of 52122311 in words is "fifty-two million, one hundred twenty-two thousand, three hundred eleven".