52090729 has 2 divisors, whose sum is σ = 52090730. Its totient is φ = 52090728.

The previous prime is 52090697. The next prime is 52090733. The reversal of 52090729 is 92709025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39980329 + 12110400 = 6323^2 + 3480^2 .

It is a cyclic number.

It is not a de Polignac number, because 52090729 - 2⁵ = 52090697 is a prime.

It is equal to p_3118966 and since 52090729 and 3118966 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 52090694 and 52090703.

It is not a weakly prime, because it can be changed into another prime (52090789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26045364 + 26045365.

It is an arithmetic number, because the mean of its divisors is an integer number (26045365).

Almost surely, 2^52090729 is an apocalyptic number.

It is an amenable number.

52090729 is a deficient number, since it is larger than the sum of its proper divisors (1).

52090729 is an equidigital number, since it uses as much as digits as its factorization.

52090729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 52090729 is about 7217.3907334992. The cubic root of 52090729 is about 373.4680709635.

The spelling of 52090729 in words is "fifty-two million, ninety thousand, seven hundred twenty-nine".