551412505 has 16 divisors (see below), whose sum is σ = 764023680. Its totient is φ = 374211072.

The previous prime is 551412497. The next prime is 551412523. The reversal of 551412505 is 505214155.

551412505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 551412505 - 2³ = 551412497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77815 + ... + 84604.

It is an arithmetic number, because the mean of its divisors is an integer number (47751480).

Almost surely, 2^551412505 is an apocalyptic number.

It is an amenable number.

551412505 is a deficient number, since it is larger than the sum of its proper divisors (212611175).

551412505 is a wasteful number, since it uses less digits than its factorization.

551412505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162528.

The product of its (nonzero) digits is 5000, while the sum is 28.

The square root of 551412505 is about 23482.1741966114. The cubic root of 551412505 is about 820.0220621667.

The spelling of 551412505 in words is "five hundred fifty-one million, four hundred twelve thousand, five hundred five".