52287849 has 10 divisors (see below), whose sum is σ = 78109130. Its totient is φ = 34858512.

The previous prime is 52287821. The next prime is 52287853. The reversal of 52287849 is 94878225.

52287849 is a `hidden beast` number, since 522 + 87 + 8 + 49 = 666.

It can be written as a sum of positive squares in only one way, i.e., 34012224 + 18275625 = 5832^2 + 4275^2 .

It is not a de Polignac number, because 52287849 - 2⁵ = 52287817 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (52287889) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 322684 + ... + 322845.

It is an arithmetic number, because the mean of its divisors is an integer number (7810913).

Almost surely, 2^52287849 is an apocalyptic number.

It is an amenable number.

52287849 is a deficient number, since it is larger than the sum of its proper divisors (25821281).

52287849 is an equidigital number, since it uses as much as digits as its factorization.

52287849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645541 (or 645532 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 52287849 is about 7231.0337435252. The cubic root of 52287849 is about 373.9385664582.

The spelling of 52287849 in words is "fifty-two million, two hundred eighty-seven thousand, eight hundred forty-nine".