54216906859 has 8 divisors (see below), whose sum is σ = 55738116368. Its totient is φ = 52698638880.

The previous prime is 54216906827. The next prime is 54216906893. The reversal of 54216906859 is 95860961245.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54216906859 - 2⁵ = 54216906827 is a prime.

It is a super-3 number, since 3×54216906859³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54216906899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 697977 + ... + 771754.

It is an arithmetic number, because the mean of its divisors is an integer number (6967264546).

Almost surely, 2^54216906859 is an apocalyptic number.

54216906859 is a deficient number, since it is larger than the sum of its proper divisors (1521209509).

54216906859 is a wasteful number, since it uses less digits than its factorization.

54216906859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1470765.

The product of its (nonzero) digits is 4665600, while the sum is 55.

The spelling of 54216906859 in words is "fifty-four billion, two hundred sixteen million, nine hundred six thousand, eight hundred fifty-nine".