551319490 has 16 divisors (see below), whose sum is σ = 993553848. Its totient is φ = 220265856.

The previous prime is 551319481. The next prime is 551319491. The reversal of 551319490 is 94913155.

It is a happy number.

551319490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 315666289 + 235653201 = 17767^2 + 15351^2 .

It is not an unprimeable number, because it can be changed into a prime (551319491) 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, 23787 + ... + 40846.

Almost surely, 2^551319490 is an apocalyptic number.

551319490 is a deficient number, since it is larger than the sum of its proper divisors (442234358).

551319490 is a wasteful number, since it uses less digits than its factorization.

551319490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65493.

The product of its (nonzero) digits is 24300, while the sum is 37.

The square root of 551319490 is about 23480.1935681970. The cubic root of 551319490 is about 819.9759511091.

The spelling of 551319490 in words is "five hundred fifty-one million, three hundred nineteen thousand, four hundred ninety".