53684567 has 2 divisors, whose sum is σ = 53684568. Its totient is φ = 53684566.

The previous prime is 53684549. The next prime is 53684573. The reversal of 53684567 is 76548635.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53684567 - 2⁸ = 53684311 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 (53684767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26842283 + 26842284.

It is an arithmetic number, because the mean of its divisors is an integer number (26842284).

Almost surely, 2^53684567 is an apocalyptic number.

53684567 is a deficient number, since it is larger than the sum of its proper divisors (1).

53684567 is an equidigital number, since it uses as much as digits as its factorization.

53684567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 604800, while the sum is 44.

The square root of 53684567 is about 7326.9752968056. The cubic root of 53684567 is about 377.2389130754.

The spelling of 53684567 in words is "fifty-three million, six hundred eighty-four thousand, five hundred sixty-seven".