54875491855 has 4 divisors (see below), whose sum is σ = 65850590232. Its totient is φ = 43900393480.

The previous prime is 54875491843. The next prime is 54875491907. The reversal of 54875491855 is 55819457845.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 54875491855 - 2¹¹ = 54875489807 is a prime.

It is a super-2 number, since 2×54875491855² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54875491793 and 54875491802.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5487549181 + ... + 5487549190.

It is an arithmetic number, because the mean of its divisors is an integer number (16462647558).

Almost surely, 2^54875491855 is an apocalyptic number.

54875491855 is a deficient number, since it is larger than the sum of its proper divisors (10975098377).

54875491855 is a wasteful number, since it uses less digits than its factorization.

54875491855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10975098376.

The product of its digits is 40320000, while the sum is 61.

The spelling of 54875491855 in words is "fifty-four billion, eight hundred seventy-five million, four hundred ninety-one thousand, eight hundred fifty-five".