550255302785 has 16 divisors (see below), whose sum is σ = 664878620496. Its totient is φ = 437163982848.

The previous prime is 550255302781. The next prime is 550255302787. The reversal of 550255302785 is 587203552055.

It can be written as a sum of positive squares in 8 ways, for example, as 794845249 + 549460457536 = 28193^2 + 741256^2 .

It is a cyclic number.

It is not a de Polignac number, because 550255302785 - 2² = 550255302781 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550255302781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62687 + ... + 1050923.

It is an arithmetic number, because the mean of its divisors is an integer number (41554913781).

Almost surely, 2^550255302785 is an apocalyptic number.

It is an amenable number.

550255302785 is a deficient number, since it is larger than the sum of its proper divisors (114623317711).

550255302785 is a wasteful number, since it uses less digits than its factorization.

550255302785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989012.

The product of its (nonzero) digits is 2100000, while the sum is 47.

The spelling of 550255302785 in words is "five hundred fifty billion, two hundred fifty-five million, three hundred two thousand, seven hundred eighty-five".