551143005 has 64 divisors (see below), whose sum is σ = 1031424000. Its totient is φ = 246115584.

The previous prime is 551143001. The next prime is 551143007. The reversal of 551143005 is 500341155.

551143005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 551143005 - 2² = 551143001 is a prime.

It is a super-2 number, since 2×551143005² = 607517223920860050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551143001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1104246 + ... + 1104744.

It is an arithmetic number, because the mean of its divisors is an integer number (16116000).

Almost surely, 2^551143005 is an apocalyptic number.

It is an amenable number.

551143005 is a deficient number, since it is larger than the sum of its proper divisors (480280995).

551143005 is a wasteful number, since it uses less digits than its factorization.

551143005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 551143005 is about 23476.4350999039. The cubic root of 551143005 is about 819.8884465540. Note that the first 3 decimals are identical.

It can be divided in two parts, 5511 and 43005, that added together give a triangular number (48516 = T₃₁₁).

The spelling of 551143005 in words is "five hundred fifty-one million, one hundred forty-three thousand, five".