550511554345 has 16 divisors (see below), whose sum is σ = 663149395008. Its totient is φ = 438722119360.

The previous prime is 550511554301. The next prime is 550511554361. The reversal of 550511554345 is 543455115055.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-550511554345 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1166142 + ... + 1568728.

It is an arithmetic number, because the mean of its divisors is an integer number (41446837188).

Almost surely, 2^550511554345 is an apocalyptic number.

It is an amenable number.

550511554345 is a deficient number, since it is larger than the sum of its proper divisors (112637840663).

550511554345 is a wasteful number, since it uses less digits than its factorization.

550511554345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403640.

The product of its (nonzero) digits is 750000, while the sum is 43.

The spelling of 550511554345 in words is "five hundred fifty billion, five hundred eleven million, five hundred fifty-four thousand, three hundred forty-five".