52643305 has 64 divisors (see below), whose sum is σ = 80994816. Its totient is φ = 32256000.

The previous prime is 52643291. The next prime is 52643329. The reversal of 52643305 is 50334625.

52643305 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 52643305 - 2⁵ = 52643273 is a prime.

It is a super-2 number, since 2×52643305² = 5542635122646050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 741420 + ... + 741490.

It is an arithmetic number, because the mean of its divisors is an integer number (1265544).

Almost surely, 2^52643305 is an apocalyptic number.

52643305 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

52643305 is a deficient number, since it is larger than the sum of its proper divisors (28351511).

52643305 is a wasteful number, since it uses less digits than its factorization.

52643305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 52643305 is about 7255.5706184972. The cubic root of 52643305 is about 374.7840059852.

The spelling of 52643305 in words is "fifty-two million, six hundred forty-three thousand, three hundred five".