52249863 has 4 divisors (see below), whose sum is σ = 69666488. Its totient is φ = 34833240.

The previous prime is 52249861. The next prime is 52249871. The reversal of 52249863 is 36894225.

It is a happy number.

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

It is not a de Polignac number, because 52249863 - 2¹ = 52249861 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 (52249861) 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, 8708308 + ... + 8708313.

It is an arithmetic number, because the mean of its divisors is an integer number (17416622).

Almost surely, 2^52249863 is an apocalyptic number.

52249863 is a deficient number, since it is larger than the sum of its proper divisors (17416625).

52249863 is a wasteful number, since it uses less digits than its factorization.

52249863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17416624.

The product of its digits is 103680, while the sum is 39.

The square root of 52249863 is about 7228.4066709061. The cubic root of 52249863 is about 373.8479917403.

The spelling of 52249863 in words is "fifty-two million, two hundred forty-nine thousand, eight hundred sixty-three".