52663843 has 4 divisors (see below), whose sum is σ = 52815960. Its totient is φ = 52511728.

The previous prime is 52663837. The next prime is 52663861. The reversal of 52663843 is 34836625.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52663843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52663873) 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, 75538 + ... + 76231.

It is an arithmetic number, because the mean of its divisors is an integer number (13203990).

Almost surely, 2^52663843 is an apocalyptic number.

52663843 is a deficient number, since it is larger than the sum of its proper divisors (152117).

52663843 is a wasteful number, since it uses less digits than its factorization.

52663843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152116.

The product of its digits is 103680, while the sum is 37.

The square root of 52663843 is about 7256.9858067933. The cubic root of 52663843 is about 374.8327384443.

The spelling of 52663843 in words is "fifty-two million, six hundred sixty-three thousand, eight hundred forty-three".