551848155 has 16 divisors (see below), whose sum is σ = 906821664. Its totient is φ = 286364160.

The previous prime is 551848153. The next prime is 551848183.

551848155 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 551848155 - 2¹ = 551848153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (551848153) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 496606 + ... + 497715.

It is an arithmetic number, because the mean of its divisors is an integer number (56676354).

Almost surely, 2^551848155 is an apocalyptic number.

551848155 is a deficient number, since it is larger than the sum of its proper divisors (354973509).

551848155 is a wasteful number, since it uses less digits than its factorization.

551848155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994366.

The product of its digits is 160000, while the sum is 42.

The square root of 551848155 is about 23491.4485504832. The cubic root of 551848155 is about 820.2379613759.

The spelling of 551848155 in words is "five hundred fifty-one million, eight hundred forty-eight thousand, one hundred fifty-five".