52056643 has 4 divisors (see below), whose sum is σ = 52153408. Its totient is φ = 51959880.

The previous prime is 52056629. The next prime is 52056673. The reversal of 52056643 is 34665025.

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 52056643 - 2²¹ = 49959491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52056623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47571 + ... + 48652.

It is an arithmetic number, because the mean of its divisors is an integer number (13038352).

Almost surely, 2^52056643 is an apocalyptic number.

52056643 is a deficient number, since it is larger than the sum of its proper divisors (96765).

52056643 is an equidigital number, since it uses as much as digits as its factorization.

52056643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96764.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 52056643 is about 7215.0289673708. The cubic root of 52056643 is about 373.3865925470.

The spelling of 52056643 in words is "fifty-two million, fifty-six thousand, six hundred forty-three".