52849861 has 8 divisors (see below), whose sum is σ = 56007000. Its totient is φ = 49781760.

The previous prime is 52849859. The next prime is 52849871. The reversal of 52849861 is 16894825.

It is a happy number.

52849861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5377761 + 47472100 = 2319^2 + 6890^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52849861 - 2¹ = 52849859 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52849871) 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 7 ways as a sum of consecutive naturals, for example, 21036 + ... + 23413.

It is an arithmetic number, because the mean of its divisors is an integer number (7000875).

Almost surely, 2^52849861 is an apocalyptic number.

It is an amenable number.

52849861 is a deficient number, since it is larger than the sum of its proper divisors (3157139).

52849861 is a wasteful number, since it uses less digits than its factorization.

52849861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44519.

The product of its digits is 138240, while the sum is 43.

The square root of 52849861 is about 7269.7909873668. The cubic root of 52849861 is about 375.2735450058.

The spelling of 52849861 in words is "fifty-two million, eight hundred forty-nine thousand, eight hundred sixty-one".