52643453 has 4 divisors (see below), whose sum is σ = 52660608. Its totient is φ = 52626300.

The previous prime is 52643449. The next prime is 52643473. The reversal of 52643453 is 35434625.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52643453 - 2² = 52643449 is a prime.

It is a Duffinian number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 2573 + ... + 10578.

It is an arithmetic number, because the mean of its divisors is an integer number (13165152).

Almost surely, 2^52643453 is an apocalyptic number.

It is an amenable number.

52643453 is a deficient number, since it is larger than the sum of its proper divisors (17155).

52643453 is a wasteful number, since it uses less digits than its factorization.

52643453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17154.

The product of its digits is 43200, while the sum is 32.

The square root of 52643453 is about 7255.5808175500. The cubic root of 52643453 is about 374.7843572041.

The spelling of 52643453 in words is "fifty-two million, six hundred forty-three thousand, four hundred fifty-three".