5550555500551 has 8 divisors (see below), whose sum is σ = 5861121205680. Its totient is φ = 5241832915968.

The previous prime is 5550555500543. The next prime is 5550555500557. The reversal of 5550555500551 is 1550055550555.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5550555500551 - 2³ = 5550555500543 is a prime.

It is a super-2 number, since 2×5550555500551² (a number of 26 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 (5550555500557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 460773946 + ... + 460785991.

It is an arithmetic number, because the mean of its divisors is an integer number (732640150710).

Almost surely, 2^{5550555500551} is an apocalyptic number.

5550555500551 is a deficient number, since it is larger than the sum of its proper divisors (310565705129).

5550555500551 is a wasteful number, since it uses less digits than its factorization.

5550555500551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921560273.

The product of its (nonzero) digits is 1953125, while the sum is 46.

The spelling of 5550555500551 in words is "five trillion, five hundred fifty billion, five hundred fifty-five million, five hundred thousand, five hundred fifty-one".