52440311 has 24 divisors (see below), whose sum is σ = 66636192. Its totient is φ = 40392000.

The previous prime is 52440301. The next prime is 52440329. The reversal of 52440311 is 11304425.

52440311 is nontrivially palindromic in base 6.

52440311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52440311 - 2²² = 48246007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52440301) 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 23 ways as a sum of consecutive naturals, for example, 85241 + ... + 85853.

It is an arithmetic number, because the mean of its divisors is an integer number (2776508).

Almost surely, 2^52440311 is an apocalyptic number.

52440311 is a deficient number, since it is larger than the sum of its proper divisors (14195881).

52440311 is a wasteful number, since it uses less digits than its factorization.

52440311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743 (or 732 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 52440311 is about 7241.5682693737. The cubic root of 52440311 is about 374.3016597370.

Adding to 52440311 its reverse (11304425), we get a palindrome (63744736).

The spelling of 52440311 in words is "fifty-two million, four hundred forty thousand, three hundred eleven".