52642311 has 16 divisors (see below), whose sum is σ = 71912448. Its totient is φ = 34244000.

The previous prime is 52642301. The next prime is 52642321. The reversal of 52642311 is 11324625.

It is an interprime number because it is at equal distance from previous prime (52642301) and next prime (52642321).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52642311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52642301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20290 + ... + 22736.

It is an arithmetic number, because the mean of its divisors is an integer number (4494528).

Almost surely, 2^52642311 is an apocalyptic number.

52642311 is a deficient number, since it is larger than the sum of its proper divisors (19270137).

52642311 is a wasteful number, since it uses less digits than its factorization.

52642311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2622.

The product of its digits is 1440, while the sum is 24.

The square root of 52642311 is about 7255.5021190818. The cubic root of 52642311 is about 374.7816471056.

Adding to 52642311 its reverse (11324625), we get a palindrome (63966936).

The spelling of 52642311 in words is "fifty-two million, six hundred forty-two thousand, three hundred eleven".