52187099 has 4 divisors (see below), whose sum is σ = 52202040. Its totient is φ = 52172160.

The previous prime is 52187089. The next prime is 52187117. The reversal of 52187099 is 99078125.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 52187099 - 2⁸ = 52186843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52187029) 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, 884 + ... + 10254.

It is an arithmetic number, because the mean of its divisors is an integer number (13050510).

Almost surely, 2^52187099 is an apocalyptic number.

52187099 is a deficient number, since it is larger than the sum of its proper divisors (14941).

52187099 is an equidigital number, since it uses as much as digits as its factorization.

52187099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14940.

The product of its (nonzero) digits is 45360, while the sum is 41.

The square root of 52187099 is about 7224.0638839922. The cubic root of 52187099 is about 373.6982395332.

The spelling of 52187099 in words is "fifty-two million, one hundred eighty-seven thousand, ninety-nine".