52099243 has 4 divisors (see below), whose sum is σ = 59542000. Its totient is φ = 44656488.

The previous prime is 52099241. The next prime is 52099259. The reversal of 52099243 is 34299025.

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 52099243 - 2¹ = 52099241 is a prime.

It is a super-2 number, since 2×52099243² = 5428662242346098, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52099199 and 52099208.

It is not an unprimeable number, because it can be changed into a prime (52099241) 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, 3721368 + ... + 3721381.

It is an arithmetic number, because the mean of its divisors is an integer number (14885500).

Almost surely, 2^52099243 is an apocalyptic number.

52099243 is a deficient number, since it is larger than the sum of its proper divisors (7442757).

52099243 is an equidigital number, since it uses as much as digits as its factorization.

52099243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7442756.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 52099243 is about 7217.9805347479. The cubic root of 52099243 is about 373.4884170917.

The spelling of 52099243 in words is "fifty-two million, ninety-nine thousand, two hundred forty-three".