54855955847 has 18 divisors (see below), whose sum is σ = 70140503664. Its totient is φ = 42744896040.

The previous prime is 54855955831. The next prime is 54855955879. The reversal of 54855955847 is 74855955845.

It is not a de Polignac number, because 54855955847 - 2⁴ = 54855955831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54855955247) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4620143 + ... + 4632000.

It is an arithmetic number, because the mean of its divisors is an integer number (3896694648).

Almost surely, 2^54855955847 is an apocalyptic number.

54855955847 is a deficient number, since it is larger than the sum of its proper divisors (15284547817).

54855955847 is a wasteful number, since it uses less digits than its factorization.

54855955847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9252179 (or 9252161 counting only the distinct ones).

The product of its digits is 201600000, while the sum is 65.

It can be divided in two parts, 548559 and 55847, that added together give a palindrome (604406).

The spelling of 54855955847 in words is "fifty-four billion, eight hundred fifty-five million, nine hundred fifty-five thousand, eight hundred forty-seven".