53333429 has 2 divisors, whose sum is σ = 53333430. Its totient is φ = 53333428.

The previous prime is 53333419. The next prime is 53333431. The reversal of 53333429 is 92433335.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36276529 + 17056900 = 6023^2 + 4130^2 .

It is a cyclic number.

It is not a de Polignac number, because 53333429 - 2⁸ = 53333173 is a prime.

Together with 53333431, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 53333395 and 53333404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53333419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26666714 + 26666715.

It is an arithmetic number, because the mean of its divisors is an integer number (26666715).

Almost surely, 2^53333429 is an apocalyptic number.

It is an amenable number.

53333429 is a deficient number, since it is larger than the sum of its proper divisors (1).

53333429 is an equidigital number, since it uses as much as digits as its factorization.

53333429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29160, while the sum is 32.

The square root of 53333429 is about 7302.9739832482. The cubic root of 53333429 is about 376.4146366167.

The spelling of 53333429 in words is "fifty-three million, three hundred thirty-three thousand, four hundred twenty-nine".