5481891854 has 8 divisors (see below), whose sum is σ = 8257243680. Its totient is φ = 2729477296.

The previous prime is 5481891823. The next prime is 5481891887. The reversal of 5481891854 is 4581981845.

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

It is a super-3 number, since 3×5481891854³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 5481891796 and 5481891805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5733719 + ... + 5734674.

It is an arithmetic number, because the mean of its divisors is an integer number (1032155460).

Almost surely, 2^5481891854 is an apocalyptic number.

5481891854 is a deficient number, since it is larger than the sum of its proper divisors (2775351826).

5481891854 is a wasteful number, since it uses less digits than its factorization.

5481891854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11468634.

The product of its digits is 1843200, while the sum is 53.

The square root of 5481891854 is about 74039.7991218237. The cubic root of 5481891854 is about 1763.2348237113.

The spelling of 5481891854 in words is "five billion, four hundred eighty-one million, eight hundred ninety-one thousand, eight hundred fifty-four".