52642263 has 8 divisors (see below), whose sum is σ = 70253568. Its totient is φ = 35062904.

The previous prime is 52642253. The next prime is 52642267. The reversal of 52642263 is 36224625.

52642263 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52642263 - 2⁶ = 52642199 is a prime.

It is a super-2 number, since 2×52642263² = 5542415707522338, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52642263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52642267) 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 7 ways as a sum of consecutive naturals, for example, 3831 + ... + 10952.

It is an arithmetic number, because the mean of its divisors is an integer number (8781696).

Almost surely, 2^52642263 is an apocalyptic number.

52642263 is a deficient number, since it is larger than the sum of its proper divisors (17611305).

52642263 is a wasteful number, since it uses less digits than its factorization.

52642263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15973.

The product of its digits is 17280, while the sum is 30.

The square root of 52642263 is about 7255.4988112465. The cubic root of 52642263 is about 374.7815331952.

Adding to 52642263 its reverse (36224625), we get a palindrome (88866888).

The spelling of 52642263 in words is "fifty-two million, six hundred forty-two thousand, two hundred sixty-three".