551461603 has 16 divisors (see below), whose sum is σ = 704309760. Its totient is φ = 419227200.

The previous prime is 551461601. The next prime is 551461609. The reversal of 551461603 is 306164155.

551461603 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 551461603 - 2¹ = 551461601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (551461601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84183 + ... + 90496.

It is an arithmetic number, because the mean of its divisors is an integer number (44019360).

Almost surely, 2^551461603 is an apocalyptic number.

551461603 is a deficient number, since it is larger than the sum of its proper divisors (152848157).

551461603 is a wasteful number, since it uses less digits than its factorization.

551461603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174738.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 551461603 is about 23483.2196046454. The cubic root of 551461603 is about 820.0463998134.

The spelling of 551461603 in words is "five hundred fifty-one million, four hundred sixty-one thousand, six hundred three".