5550505000581 has 4 divisors (see below), whose sum is σ = 7400673334112. Its totient is φ = 3700336667052.

The previous prime is 5550505000577. The next prime is 5550505000591. The reversal of 5550505000581 is 1850005050555.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 5550505000581 - 2² = 5550505000577 is a prime.

It is a super-3 number, since 3×5550505000581³ (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5550505000501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 925084166761 + ... + 925084166766.

It is an arithmetic number, because the mean of its divisors is an integer number (1850168333528).

Almost surely, 2^{5550505000581} is an apocalyptic number.

It is an amenable number.

5550505000581 is a deficient number, since it is larger than the sum of its proper divisors (1850168333531).

5550505000581 is a wasteful number, since it uses less digits than its factorization.

5550505000581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1850168333530.

The product of its (nonzero) digits is 125000, while the sum is 39.

The spelling of 5550505000581 in words is "five trillion, five hundred fifty billion, five hundred five million, five hundred eighty-one", and thus it is an aban number.