53849429 has 2 divisors, whose sum is σ = 53849430. Its totient is φ = 53849428.

The previous prime is 53849413. The next prime is 53849437. The reversal of 53849429 is 92494835.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52635025 + 1214404 = 7255^2 + 1102^2 .

It is a cyclic number.

It is not a de Polignac number, because 53849429 - 2⁴ = 53849413 is a prime.

It is a super-2 number, since 2×53849429² = 5799522007252082, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53849429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53849479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26924714 + 26924715.

It is an arithmetic number, because the mean of its divisors is an integer number (26924715).

Almost surely, 2^53849429 is an apocalyptic number.

It is an amenable number.

53849429 is a deficient number, since it is larger than the sum of its proper divisors (1).

53849429 is an equidigital number, since it uses as much as digits as its factorization.

53849429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 44.

The square root of 53849429 is about 7338.2170177775. The cubic root of 53849429 is about 377.6246776168.

The spelling of 53849429 in words is "fifty-three million, eight hundred forty-nine thousand, four hundred twenty-nine".