53200291 has 2 divisors, whose sum is σ = 53200292. Its totient is φ = 53200290.

The previous prime is 53200289. The next prime is 53200307. The reversal of 53200291 is 19200235.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53200291 - 2¹ = 53200289 is a prime.

Together with 53200289, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (53200201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26600145 + 26600146.

It is an arithmetic number, because the mean of its divisors is an integer number (26600146).

Almost surely, 2^53200291 is an apocalyptic number.

53200291 is a deficient number, since it is larger than the sum of its proper divisors (1).

53200291 is an equidigital number, since it uses as much as digits as its factorization.

53200291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 53200291 is about 7293.8529598560. The cubic root of 53200291 is about 376.1011568594.

The spelling of 53200291 in words is "fifty-three million, two hundred thousand, two hundred ninety-one".