550505500501 has 16 divisors (see below), whose sum is σ = 605309529600. Its totient is φ = 496508989680.

The previous prime is 550505500499. The next prime is 550505500627. The reversal of 550505500501 is 105005505055.

It is not a de Polignac number, because 550505500501 - 2¹ = 550505500499 is a prime.

It is a super-2 number, since 2×550505500501² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550505510501) 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 15 ways as a sum of consecutive naturals, for example, 397210 + ... + 1121956.

It is an arithmetic number, because the mean of its divisors is an integer number (37831845600).

Almost surely, 2^550505500501 is an apocalyptic number.

It is an amenable number.

550505500501 is a deficient number, since it is larger than the sum of its proper divisors (54804029099).

550505500501 is a wasteful number, since it uses less digits than its factorization.

550505500501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725304.

The product of its (nonzero) digits is 15625, while the sum is 31.

The spelling of 550505500501 in words is "five hundred fifty billion, five hundred five million, five hundred thousand, five hundred one".