53602691 has 2 divisors, whose sum is σ = 53602692. Its totient is φ = 53602690.

The previous prime is 53602687. The next prime is 53602693. The reversal of 53602691 is 19620635.

It is a happy number.

53602691 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53602691 - 2² = 53602687 is a prime.

Together with 53602693, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53602693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26801345 + 26801346.

It is an arithmetic number, because the mean of its divisors is an integer number (26801346).

Almost surely, 2^53602691 is an apocalyptic number.

53602691 is a deficient number, since it is larger than the sum of its proper divisors (1).

53602691 is an equidigital number, since it uses as much as digits as its factorization.

53602691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 53602691 is about 7321.3858660775. The cubic root of 53602691 is about 377.0470359033.

The spelling of 53602691 in words is "fifty-three million, six hundred two thousand, six hundred ninety-one".