54998489945 has 16 divisors (see below), whose sum is σ = 75463772160. Its totient is φ = 37694614464.

The previous prime is 54998489911. The next prime is 54998489989.

54998489945 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 54998489945 - 2¹⁰ = 54998488921 is a prime.

It is a super-2 number, since 2×54998489945² (a number of 22 digits) contains 22 as substring.

It is a Curzon 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 15 ways as a sum of consecutive naturals, for example, 316217 + ... + 458246.

It is an arithmetic number, because the mean of its divisors is an integer number (4716485760).

Almost surely, 2^54998489945 is an apocalyptic number.

It is an amenable number.

54998489945 is a deficient number, since it is larger than the sum of its proper divisors (20465282215).

54998489945 is a wasteful number, since it uses less digits than its factorization.

54998489945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776504.

The product of its digits is 671846400, while the sum is 74.

The spelling of 54998489945 in words is "fifty-four billion, nine hundred ninety-eight million, four hundred eighty-nine thousand, nine hundred forty-five".