550000500551 has 4 divisors (see below), whose sum is σ = 550750843032. Its totient is φ = 549250158072.

The previous prime is 550000500397. The next prime is 550000500559. The reversal of 550000500551 is 155005000055.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 550000500551 - 2¹⁰ = 550000499527 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 550000500551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550000500559) 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, 375170141 + ... + 375171606.

It is an arithmetic number, because the mean of its divisors is an integer number (137687710758).

Almost surely, 2^550000500551 is an apocalyptic number.

550000500551 is a deficient number, since it is larger than the sum of its proper divisors (750342481).

550000500551 is an equidigital number, since it uses as much as digits as its factorization.

550000500551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750342480.

The product of its (nonzero) digits is 3125, while the sum is 26.

The spelling of 550000500551 in words is "five hundred fifty billion, five hundred thousand, five hundred fifty-one".