52187267 has 4 divisors (see below), whose sum is σ = 56931576. Its totient is φ = 47442960.

The previous prime is 52187257. The next prime is 52187287. The reversal of 52187267 is 76278125.

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 52187267 - 2¹² = 52183171 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52187267.

It is not an unprimeable number, because it can be changed into a prime (52187227) 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, 2372138 + ... + 2372159.

It is an arithmetic number, because the mean of its divisors is an integer number (14232894).

Almost surely, 2^52187267 is an apocalyptic number.

52187267 is a deficient number, since it is larger than the sum of its proper divisors (4744309).

52187267 is a wasteful number, since it uses less digits than its factorization.

52187267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4744308.

The product of its digits is 47040, while the sum is 38.

The square root of 52187267 is about 7224.0755117870. The cubic root of 52187267 is about 373.6986405342.

The spelling of 52187267 in words is "fifty-two million, one hundred eighty-seven thousand, two hundred sixty-seven".