550055555025 has 48 divisors (see below), whose sum is σ = 919019595648. Its totient is φ = 290269440000.

The previous prime is 550055554957. The next prime is 550055555033. The reversal of 550055555025 is 520555550055.

It is not a de Polignac number, because 550055555025 - 2¹⁵ = 550055522257 is a prime.

It is a super-2 number, since 2×550055555025² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 48453100 + ... + 48464450.

It is an arithmetic number, because the mean of its divisors is an integer number (19146241576).

Almost surely, 2^550055555025 is an apocalyptic number.

It is an amenable number.

550055555025 is a deficient number, since it is larger than the sum of its proper divisors (368964040623).

550055555025 is a wasteful number, since it uses less digits than its factorization.

550055555025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18122 (or 18117 counting only the distinct ones).

The product of its (nonzero) digits is 781250, while the sum is 42.

The spelling of 550055555025 in words is "five hundred fifty billion, fifty-five million, five hundred fifty-five thousand, twenty-five".