52022643 has 4 divisors (see below), whose sum is σ = 69363528. Its totient is φ = 34681760.

The previous prime is 52022611. The next prime is 52022687. The reversal of 52022643 is 34622025.

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 52022643 - 2⁵ = 52022611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52022603) 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, 8670438 + ... + 8670443.

It is an arithmetic number, because the mean of its divisors is an integer number (17340882).

Almost surely, 2^52022643 is an apocalyptic number.

52022643 is a deficient number, since it is larger than the sum of its proper divisors (17340885).

52022643 is a wasteful number, since it uses less digits than its factorization.

52022643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17340884.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 52022643 is about 7212.6723896209. The cubic root of 52022643 is about 373.3052842624.

Adding to 52022643 its reverse (34622025), we get a palindrome (86644668).

The spelling of 52022643 in words is "fifty-two million, twenty-two thousand, six hundred forty-three".