551346655 has 16 divisors (see below), whose sum is σ = 697384800. Its totient is φ = 417294720.

The previous prime is 551346647. The next prime is 551346667. The reversal of 551346655 is 556643155.

It is not a de Polignac number, because 551346655 - 2³ = 551346647 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74461 + ... + 81529.

It is an arithmetic number, because the mean of its divisors is an integer number (43586550).

Almost surely, 2^551346655 is an apocalyptic number.

551346655 is a deficient number, since it is larger than the sum of its proper divisors (146038145).

551346655 is a wasteful number, since it uses less digits than its factorization.

551346655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7914.

The product of its digits is 270000, while the sum is 40.

The square root of 551346655 is about 23480.7720273419. The cubic root of 551346655 is about 819.9894183643.

The spelling of 551346655 in words is "five hundred fifty-one million, three hundred forty-six thousand, six hundred fifty-five".