551888 has 20 divisors (see below), whose sum is σ = 1132740. Its totient is φ = 259584.

The previous prime is 551861. The next prime is 551909. The reversal of 551888 is 888155.

It can be written as a sum of positive squares in 2 ways, for example, as 506944 + 44944 = 712^2 + 212^2 .

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 551888.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 743 + ... + 1286.

It is an arithmetic number, because the mean of its divisors is an integer number (56637).

2⁵⁵¹⁸⁸⁸ is an apocalyptic number.

It is an amenable number.

551888 is an abundant number, since it is smaller than the sum of its proper divisors (580852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

551888 is a wasteful number, since it uses less digits than its factorization.

551888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2054 (or 2048 counting only the distinct ones).

The product of its digits is 12800, while the sum is 35.

The square root of 551888 is about 742.8916475503. The cubic root of 551888 is about 82.0257702069.

It can be divided in two parts, 5518 and 88, that multiplied together give a palindrome (485584).

The spelling of 551888 in words is "five hundred fifty-one thousand, eight hundred eighty-eight".