52839949 has 2 divisors, whose sum is σ = 52839950. Its totient is φ = 52839948.

The previous prime is 52839911. The next prime is 52839953. The reversal of 52839949 is 94993825.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43322724 + 9517225 = 6582^2 + 3085^2 .

It is a cyclic number.

It is not a de Polignac number, because 52839949 - 2¹⁹ = 52315661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52839989) 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 as a sum of consecutive naturals, namely, 26419974 + 26419975.

It is an arithmetic number, because the mean of its divisors is an integer number (26419975).

Almost surely, 2^52839949 is an apocalyptic number.

It is an amenable number.

52839949 is a deficient number, since it is larger than the sum of its proper divisors (1).

52839949 is an equidigital number, since it uses as much as digits as its factorization.

52839949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 699840, while the sum is 49.

The square root of 52839949 is about 7269.1092301602. The cubic root of 52839949 is about 375.2500826675.

The spelling of 52839949 in words is "fifty-two million, eight hundred thirty-nine thousand, nine hundred forty-nine".