551150555 has 16 divisors (see below), whose sum is σ = 675813888. Its totient is φ = 431376000.

The previous prime is 551150533. The next prime is 551150563. The reversal of 551150555 is 555051155.

It is not a de Polignac number, because 551150555 - 2²² = 546956251 is a prime.

It is a Duffinian 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, 53525 + ... + 62985.

It is an arithmetic number, because the mean of its divisors is an integer number (42238368).

Almost surely, 2^551150555 is an apocalyptic number.

551150555 is a deficient number, since it is larger than the sum of its proper divisors (124663333).

551150555 is a wasteful number, since it uses less digits than its factorization.

551150555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9718.

The product of its (nonzero) digits is 15625, while the sum is 32.

The square root of 551150555 is about 23476.5958988947. The cubic root of 551150555 is about 819.8921903673.

The spelling of 551150555 in words is "five hundred fifty-one million, one hundred fifty thousand, five hundred fifty-five".