52086649 has 2 divisors, whose sum is σ = 52086650. Its totient is φ = 52086648.

The previous prime is 52086641. The next prime is 52086653. The reversal of 52086649 is 94668025.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46172025 + 5914624 = 6795^2 + 2432^2 .

It is a cyclic number.

It is not a de Polignac number, because 52086649 - 2³ = 52086641 is a prime.

It is not a weakly prime, because it can be changed into another prime (52086641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26043324 + 26043325.

It is an arithmetic number, because the mean of its divisors is an integer number (26043325).

Almost surely, 2^52086649 is an apocalyptic number.

It is an amenable number.

52086649 is a deficient number, since it is larger than the sum of its proper divisors (1).

52086649 is an equidigital number, since it uses as much as digits as its factorization.

52086649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 52086649 is about 7217.1080773396. The cubic root of 52086649 is about 373.4583200953.

The spelling of 52086649 in words is "fifty-two million, eighty-six thousand, six hundred forty-nine".