54855551273 has 4 divisors (see below), whose sum is σ = 54861980928. Its totient is φ = 54849121620.

The previous prime is 54855551269. The next prime is 54855551281. The reversal of 54855551273 is 37215555845.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54855551273 - 2² = 54855551269 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54855551243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3202013 + ... + 3219098.

It is an arithmetic number, because the mean of its divisors is an integer number (13715495232).

Almost surely, 2^54855551273 is an apocalyptic number.

It is an amenable number.

54855551273 is a deficient number, since it is larger than the sum of its proper divisors (6429655).

54855551273 is an equidigital number, since it uses as much as digits as its factorization.

54855551273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6429654.

The product of its digits is 4200000, while the sum is 50.

The spelling of 54855551273 in words is "fifty-four billion, eight hundred fifty-five million, five hundred fifty-one thousand, two hundred seventy-three".