554345645021 has 12 divisors (see below), whose sum is σ = 645189314688. Its totient is φ = 474904167192.

The previous prime is 554345645003. The next prime is 554345645081. The reversal of 554345645021 is 120546543455.

It is not a de Polignac number, because 554345645021 - 2¹⁰ = 554345643997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (554345645081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2872781 + ... + 3059666.

It is an arithmetic number, because the mean of its divisors is an integer number (53765776224).

Almost surely, 2^554345645021 is an apocalyptic number.

It is an amenable number.

554345645021 is a deficient number, since it is larger than the sum of its proper divisors (90843669667).

554345645021 is a wasteful number, since it uses less digits than its factorization.

554345645021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5934368 (or 5934361 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 44.

The spelling of 554345645021 in words is "five hundred fifty-four billion, three hundred forty-five million, six hundred forty-five thousand, twenty-one".