52186243 has 16 divisors (see below), whose sum is σ = 57209760. Its totient is φ = 47402496.

The previous prime is 52186229. The next prime is 52186249. The reversal of 52186243 is 34268125.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52186243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52186249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102273 + ... + 102781.

It is an arithmetic number, because the mean of its divisors is an integer number (3575610).

Almost surely, 2^52186243 is an apocalyptic number.

52186243 is a deficient number, since it is larger than the sum of its proper divisors (5023517).

52186243 is a wasteful number, since it uses less digits than its factorization.

52186243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726.

The product of its digits is 11520, while the sum is 31.

The square root of 52186243 is about 7224.0046373186. The cubic root of 52186243 is about 373.6961963243.

The spelling of 52186243 in words is "fifty-two million, one hundred eighty-six thousand, two hundred forty-three".