53559967 has 2 divisors, whose sum is σ = 53559968. Its totient is φ = 53559966.

The previous prime is 53559959. The next prime is 53559973. The reversal of 53559967 is 76995535.

It is a happy number.

53559967 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 53559967 - 2³ = 53559959 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53559967.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53559937) 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, 26779983 + 26779984.

It is an arithmetic number, because the mean of its divisors is an integer number (26779984).

Almost surely, 2^53559967 is an apocalyptic number.

53559967 is a deficient number, since it is larger than the sum of its proper divisors (1).

53559967 is an equidigital number, since it uses as much as digits as its factorization.

53559967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1275750, while the sum is 49.

The square root of 53559967 is about 7318.4675308428. The cubic root of 53559967 is about 376.9468342216.

The spelling of 53559967 in words is "fifty-three million, five hundred fifty-nine thousand, nine hundred sixty-seven".