550791017738 has 16 divisors (see below), whose sum is σ = 889757433600. Its totient is φ = 254206068336.

The previous prime is 550791017737. The next prime is 550791017747. The reversal of 550791017738 is 837710197055.

It is a self number, because there is not a number n which added to its sum of digits gives 550791017738.

It is not an unprimeable number, because it can be changed into a prime (550791017737) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1284431 + ... + 1658717.

It is an arithmetic number, because the mean of its divisors is an integer number (55609839600).

Almost surely, 2^550791017738 is an apocalyptic number.

550791017738 is a deficient number, since it is larger than the sum of its proper divisors (338966415862).

550791017738 is a wasteful number, since it uses less digits than its factorization.

550791017738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430901.

The product of its (nonzero) digits is 1852200, while the sum is 53.

The spelling of 550791017738 in words is "five hundred fifty billion, seven hundred ninety-one million, seventeen thousand, seven hundred thirty-eight".