52322861 has 6 divisors (see below), whose sum is σ = 54697230. Its totient is φ = 50047448.

The previous prime is 52322849. The next prime is 52322869. The reversal of 52322861 is 16822325.

52322861 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 only one way, i.e., 50836900 + 1485961 = 7130^2 + 1219^2 .

It is a de Polignac number, because none of the positive numbers 2^k-52322861 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 (52322869) 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 5 ways as a sum of consecutive naturals, for example, 48926 + ... + 49983.

It is an arithmetic number, because the mean of its divisors is an integer number (9116205).

Almost surely, 2^52322861 is an apocalyptic number.

It is an amenable number.

52322861 is a deficient number, since it is larger than the sum of its proper divisors (2374369).

52322861 is an equidigital number, since it uses as much as digits as its factorization.

52322861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98955 (or 98932 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 52322861 is about 7233.4542923834. The cubic root of 52322861 is about 374.0220110584.

The spelling of 52322861 in words is "fifty-two million, three hundred twenty-two thousand, eight hundred sixty-one".