54209199863 has 16 divisors (see below), whose sum is σ = 66805413696. Its totient is φ = 42835253760.

The previous prime is 54209199853. The next prime is 54209199893. The reversal of 54209199863 is 36899190245.

It is not a de Polignac number, because 54209199863 - 2¹² = 54209195767 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54209199799 and 54209199808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54209199853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 314978 + ... + 455663.

It is an arithmetic number, because the mean of its divisors is an integer number (4175338356).

Almost surely, 2^54209199863 is an apocalyptic number.

54209199863 is a deficient number, since it is larger than the sum of its proper divisors (12596213833).

54209199863 is a wasteful number, since it uses less digits than its factorization.

54209199863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771434.

The product of its (nonzero) digits is 4199040, while the sum is 56.

The spelling of 54209199863 in words is "fifty-four billion, two hundred nine million, one hundred ninety-nine thousand, eight hundred sixty-three".