52620311 has 4 divisors (see below), whose sum is σ = 52635912. Its totient is φ = 52604712.

The previous prime is 52620283. The next prime is 52620313. The reversal of 52620311 is 11302625.

52620311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 52620311 - 2¹⁴ = 52603927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52620313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 401 + ... + 10266.

It is an arithmetic number, because the mean of its divisors is an integer number (13158978).

Almost surely, 2^52620311 is an apocalyptic number.

52620311 is a deficient number, since it is larger than the sum of its proper divisors (15601).

52620311 is a wasteful number, since it uses less digits than its factorization.

52620311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15600.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 52620311 is about 7253.9858698511. The cubic root of 52620311 is about 374.7294309007.

Adding to 52620311 its reverse (11302625), we get a palindrome (63922936).

The spelling of 52620311 in words is "fifty-two million, six hundred twenty thousand, three hundred eleven".