551125055 has 24 divisors (see below), whose sum is σ = 731426112. Its totient is φ = 398296704.

The previous prime is 551125021. The next prime is 551125073. The reversal of 551125055 is 550521155.

It is not a de Polignac number, because 551125055 - 2⁸ = 551124799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32777 + ... + 46653.

It is an arithmetic number, because the mean of its divisors is an integer number (30476088).

Almost surely, 2^551125055 is an apocalyptic number.

551125055 is a deficient number, since it is larger than the sum of its proper divisors (180301057).

551125055 is a wasteful number, since it uses less digits than its factorization.

551125055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13955 (or 13942 counting only the distinct ones).

The product of its (nonzero) digits is 6250, while the sum is 29.

The square root of 551125055 is about 23476.0527985435. The cubic root of 551125055 is about 819.8795455626.

The spelling of 551125055 in words is "five hundred fifty-one million, one hundred twenty-five thousand, fifty-five".