54678959 has 2 divisors, whose sum is σ = 54678960. Its totient is φ = 54678958.

The previous prime is 54678937. The next prime is 54678983. The reversal of 54678959 is 95987645.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54678959 - 2⁸ = 54678703 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54678959.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54678259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27339479 + 27339480.

It is an arithmetic number, because the mean of its divisors is an integer number (27339480).

Almost surely, 2^54678959 is an apocalyptic number.

54678959 is a deficient number, since it is larger than the sum of its proper divisors (1).

54678959 is an equidigital number, since it uses as much as digits as its factorization.

54678959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2721600, while the sum is 53.

The square root of 54678959 is about 7394.5222293262. The cubic root of 54678959 is about 379.5538600698.

The spelling of 54678959 in words is "fifty-four million, six hundred seventy-eight thousand, nine hundred fifty-nine".