52146863 has 4 divisors (see below), whose sum is σ = 52417248. Its totient is φ = 51876480.

The previous prime is 52146847. The next prime is 52146869. The reversal of 52146863 is 36864125.

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 52146863 - 2⁴ = 52146847 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 (52146869) 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, 134903 + ... + 135288.

It is an arithmetic number, because the mean of its divisors is an integer number (13104312).

Almost surely, 2^52146863 is an apocalyptic number.

52146863 is a deficient number, since it is larger than the sum of its proper divisors (270385).

52146863 is a wasteful number, since it uses less digits than its factorization.

52146863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270384.

The product of its digits is 34560, while the sum is 35.

The square root of 52146863 is about 7221.2784879133. The cubic root of 52146863 is about 373.6021749977.

The spelling of 52146863 in words is "fifty-two million, one hundred forty-six thousand, eight hundred sixty-three".