550454551 has 8 divisors (see below), whose sum is σ = 561143808. Its totient is φ = 539847000.

The previous prime is 550454521. The next prime is 550454563. The reversal of 550454551 is 155454055.

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 550454551 - 2⁵ = 550454519 is a prime.

It is a super-2 number, since 2×550454551² = 606000425433223202, which 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 (550454521) 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, 6735 + ... + 33856.

It is an arithmetic number, because the mean of its divisors is an integer number (70142976).

Almost surely, 2^550454551 is an apocalyptic number.

550454551 is a deficient number, since it is larger than the sum of its proper divisors (10689257).

550454551 is a wasteful number, since it uses less digits than its factorization.

550454551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40853.

The product of its (nonzero) digits is 50000, while the sum is 34.

The square root of 550454551 is about 23461.7678575166. The cubic root of 550454551 is about 819.5469195417.

The spelling of 550454551 in words is "five hundred fifty million, four hundred fifty-four thousand, five hundred fifty-one".