52839961 has 8 divisors (see below), whose sum is σ = 56034504. Its totient is φ = 49655040.

The previous prime is 52839953. The next prime is 52839989. The reversal of 52839961 is 16993825.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1600 + 52838361 = 40^2 + 7269^2 .

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 52839961 - 2³ = 52839953 is a prime.

It is a super-2 number, since 2×52839961² = 5584122956963042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52839911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11131 + ... + 15151.

It is an arithmetic number, because the mean of its divisors is an integer number (7004313).

Almost surely, 2^52839961 is an apocalyptic number.

It is an amenable number.

52839961 is a deficient number, since it is larger than the sum of its proper divisors (3194543).

52839961 is a wasteful number, since it uses less digits than its factorization.

52839961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4811.

The product of its digits is 116640, while the sum is 43.

The square root of 52839961 is about 7269.1100555708. The cubic root of 52839961 is about 375.2501110740.

The spelling of 52839961 in words is "fifty-two million, eight hundred thirty-nine thousand, nine hundred sixty-one".