551472145 has 8 divisors (see below), whose sum is σ = 756304704. Its totient is φ = 378152304.

The previous prime is 551472143. The next prime is 551472193. The reversal of 551472145 is 541274155.

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 551472145 - 2¹ = 551472143 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 551472145.

It is not an unprimeable number, because it can be changed into a prime (551472143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7878139 + ... + 7878208.

It is an arithmetic number, because the mean of its divisors is an integer number (94538088).

Almost surely, 2^551472145 is an apocalyptic number.

It is an amenable number.

551472145 is a deficient number, since it is larger than the sum of its proper divisors (204832559).

551472145 is a wasteful number, since it uses less digits than its factorization.

551472145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15756359.

The product of its digits is 28000, while the sum is 34.

The square root of 551472145 is about 23483.4440617214. Note that the first 3 decimals coincide. The cubic root of 551472145 is about 820.0516252447.

The spelling of 551472145 in words is "five hundred fifty-one million, four hundred seventy-two thousand, one hundred forty-five".