54866863 has 2 divisors, whose sum is σ = 54866864. Its totient is φ = 54866862.

The previous prime is 54866849. The next prime is 54866923. The reversal of 54866863 is 36866845.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54866863 - 2⁹ = 54866351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54866263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27433431 + 27433432.

It is an arithmetic number, because the mean of its divisors is an integer number (27433432).

Almost surely, 2^54866863 is an apocalyptic number.

54866863 is a deficient number, since it is larger than the sum of its proper divisors (1).

54866863 is an equidigital number, since it uses as much as digits as its factorization.

54866863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 829440, while the sum is 46.

The square root of 54866863 is about 7407.2169537553. The cubic root of 54866863 is about 379.9881413659.

The spelling of 54866863 in words is "fifty-four million, eight hundred sixty-six thousand, eight hundred sixty-three".