52288187 has 4 divisors (see below), whose sum is σ = 59757936. Its totient is φ = 44818440.

The previous prime is 52288169. The next prime is 52288193. The reversal of 52288187 is 78188225.

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 52288187 - 2¹² = 52284091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52288127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3734864 + ... + 3734877.

It is an arithmetic number, because the mean of its divisors is an integer number (14939484).

Almost surely, 2^52288187 is an apocalyptic number.

52288187 is a deficient number, since it is larger than the sum of its proper divisors (7469749).

52288187 is an equidigital number, since it uses as much as digits as its factorization.

52288187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7469748.

The product of its digits is 71680, while the sum is 41.

The square root of 52288187 is about 7231.0571149729. The cubic root of 52288187 is about 373.9393721965.

The spelling of 52288187 in words is "fifty-two million, two hundred eighty-eight thousand, one hundred eighty-seven".