53691367 has 2 divisors, whose sum is σ = 53691368. Its totient is φ = 53691366.

The previous prime is 53691299. The next prime is 53691377. The reversal of 53691367 is 76319635.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53691367 - 2²³ = 45302759 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53691377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26845683 + 26845684.

It is an arithmetic number, because the mean of its divisors is an integer number (26845684).

Almost surely, 2^53691367 is an apocalyptic number.

53691367 is a deficient number, since it is larger than the sum of its proper divisors (1).

53691367 is an equidigital number, since it uses as much as digits as its factorization.

53691367 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 102060, while the sum is 40.

The square root of 53691367 is about 7327.4393207996. The cubic root of 53691367 is about 377.2548401624.

The spelling of 53691367 in words is "fifty-three million, six hundred ninety-one thousand, three hundred sixty-seven".