52643433 has 16 divisors (see below), whose sum is σ = 74043200. Its totient is φ = 33177600.

The previous prime is 52643369. The next prime is 52643449. The reversal of 52643433 is 33434625.

It is not a de Polignac number, because 52643433 - 2⁶ = 52643369 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52643433.

It is not an unprimeable number, because it can be changed into a prime (52643473) 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, 43233 + ... + 44433.

It is an arithmetic number, because the mean of its divisors is an integer number (4627700).

Almost surely, 2^52643433 is an apocalyptic number.

It is an amenable number.

52643433 is a deficient number, since it is larger than the sum of its proper divisors (21399767).

52643433 is a wasteful number, since it uses less digits than its factorization.

52643433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1992.

The product of its digits is 25920, while the sum is 30.

The square root of 52643433 is about 7255.5794393005. The cubic root of 52643433 is about 374.7843097421.

The spelling of 52643433 in words is "fifty-two million, six hundred forty-three thousand, four hundred thirty-three".