550055505546 has 12 divisors (see below), whose sum is σ = 1191786928722. Its totient is φ = 183351835176.

The previous prime is 550055505541. The next prime is 550055505607. The reversal of 550055505546 is 645505550055.

550055505546 is a `hidden beast` number, since 5 + 5 + 0 + 0 + 5 + 550 + 55 + 46 = 666.

It can be written as a sum of positive squares in only one way, i.e., 448906700025 + 101148805521 = 670005^2 + 318039^2 .

It is a super-2 number, since 2×550055505546² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (550055505541) 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 5 ways as a sum of consecutive naturals, for example, 15279319581 + ... + 15279319616.

Almost surely, 2^550055505546 is an apocalyptic number.

550055505546 is an abundant number, since it is smaller than the sum of its proper divisors (641731423176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

550055505546 is a wasteful number, since it uses less digits than its factorization.

550055505546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30558639205 (or 30558639202 counting only the distinct ones).

The product of its (nonzero) digits is 1875000, while the sum is 45.

The spelling of 550055505546 in words is "five hundred fifty billion, fifty-five million, five hundred five thousand, five hundred forty-six".