551424505 has 8 divisors (see below), whose sum is σ = 679593672. Its totient is φ = 429216768.

The previous prime is 551424499. The next prime is 551424521. The reversal of 551424505 is 505424155.

551424505 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 290634304 + 260790201 = 17048^2 + 16149^2 .

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 551424505 - 2¹¹ = 551422457 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1490152 + ... + 1490521.

It is an arithmetic number, because the mean of its divisors is an integer number (84949209).

Almost surely, 2^551424505 is an apocalyptic number.

It is an amenable number.

551424505 is a deficient number, since it is larger than the sum of its proper divisors (128169167).

551424505 is a wasteful number, since it uses less digits than its factorization.

551424505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2980715.

The product of its (nonzero) digits is 20000, while the sum is 31.

The square root of 551424505 is about 23482.4297081882. The cubic root of 551424505 is about 820.0280106434.

The spelling of 551424505 in words is "five hundred fifty-one million, four hundred twenty-four thousand, five hundred five".