54368819 has 2 divisors, whose sum is σ = 54368820. Its totient is φ = 54368818.

The previous prime is 54368789. The next prime is 54368843. The reversal of 54368819 is 91886345.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54368819 - 2⁸ = 54368563 is a prime.

It is a super-2 number, since 2×54368819² = 5911936958909522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54368819.

It is not a weakly prime, because it can be changed into another prime (54368869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27184409 + 27184410.

It is an arithmetic number, because the mean of its divisors is an integer number (27184410).

Almost surely, 2^54368819 is an apocalyptic number.

54368819 is a deficient number, since it is larger than the sum of its proper divisors (1).

54368819 is an equidigital number, since it uses as much as digits as its factorization.

54368819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 44.

The square root of 54368819 is about 7373.5214789136. The cubic root of 54368819 is about 378.8348869920.

The spelling of 54368819 in words is "fifty-four million, three hundred sixty-eight thousand, eight hundred nineteen".