554990099455 has 16 divisors (see below), whose sum is σ = 726667749504. Its totient is φ = 403554021280.

The previous prime is 554990099407. The next prime is 554990099467.

554990099455 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 554990099455 - 2²⁹ = 554453228543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 640297 + ... + 1232866.

It is an arithmetic number, because the mean of its divisors is an integer number (45416734344).

Almost surely, 2^554990099455 is an apocalyptic number.

554990099455 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

554990099455 is a deficient number, since it is larger than the sum of its proper divisors (171677650049).

554990099455 is a wasteful number, since it uses less digits than its factorization.

554990099455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1878566.

The product of its (nonzero) digits is 65610000, while the sum is 64.

The spelling of 554990099455 in words is "five hundred fifty-four billion, nine hundred ninety million, ninety-nine thousand, four hundred fifty-five".