554618816455 has 64 divisors (see below), whose sum is σ = 767013442560. Its totient is φ = 381045068800.

The previous prime is 554618816449. The next prime is 554618816537.

554618816455 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 554618816455 - 2¹⁹ = 554618292167 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 554618816455.

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 63 ways as a sum of consecutive naturals, for example, 119450364 + ... + 119455006.

It is an arithmetic number, because the mean of its divisors is an integer number (11984585040).

Almost surely, 2^554618816455 is an apocalyptic number.

554618816455 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

554618816455 is a deficient number, since it is larger than the sum of its proper divisors (212394626105).

554618816455 is a wasteful number, since it uses less digits than its factorization.

554618816455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5832.

The product of its digits is 23040000, while the sum is 58.

The spelling of 554618816455 in words is "five hundred fifty-four billion, six hundred eighteen million, eight hundred sixteen thousand, four hundred fifty-five".