52183987 has 4 divisors (see below), whose sum is σ = 54452880. Its totient is φ = 49915096.

The previous prime is 52183979. The next prime is 52183991. The reversal of 52183987 is 78938125.

52183987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 52183987 - 2³ = 52183979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52183997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1134412 + ... + 1134457.

It is an arithmetic number, because the mean of its divisors is an integer number (13613220).

Almost surely, 2^52183987 is an apocalyptic number.

52183987 is a deficient number, since it is larger than the sum of its proper divisors (2268893).

52183987 is a wasteful number, since it uses less digits than its factorization.

52183987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2268892.

The product of its digits is 120960, while the sum is 43.

The square root of 52183987 is about 7223.8484895518. The cubic root of 52183987 is about 373.6908113114.

The spelling of 52183987 in words is "fifty-two million, one hundred eighty-three thousand, nine hundred eighty-seven".