554544445455 has 256 divisors, whose sum is σ = 1359454924800. Its totient is φ = 206980945920.

The previous prime is 554544445417. The next prime is 554544445487.

554544445455 is a `hidden beast` number, since 5 + 5 + 4 + 54 + 4 + 44 + 545 + 5 = 666.

554544445455 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 554544445455 - 2⁷ = 554544445327 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 4944541 + ... + 5055449.

It is an arithmetic number, because the mean of its divisors is an integer number (5310370800).

Almost surely, 2^554544445455 is an apocalyptic number.

554544445455 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

554544445455 is an abundant number, since it is smaller than the sum of its proper divisors (804910479345).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

554544445455 is a wasteful number, since it uses less digits than its factorization.

554544445455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110991 (or 110985 counting only the distinct ones).

The product of its digits is 64000000, while the sum is 54.

It can be divided in two parts, 554544 and 445455, that added together give a palindrome (999999).

The spelling of 554544445455 in words is "five hundred fifty-four billion, five hundred forty-four million, four hundred forty-five thousand, four hundred fifty-five".