551052 has 18 divisors (see below), whose sum is σ = 1393028. Its totient is φ = 183672.

The previous prime is 551039. The next prime is 551059. The reversal of 551052 is 250155.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 551052.

It is not an unprimeable number, because it can be changed into a prime (551059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7618 + ... + 7689.

2⁵⁵¹⁰⁵² is an apocalyptic number.

It is an amenable number.

551052 is an abundant number, since it is smaller than the sum of its proper divisors (841976).

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

551052 is a wasteful number, since it uses less digits than its factorization.

551052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15317 (or 15312 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 18.

The square root of 551052 is about 742.3287681344. The cubic root of 551052 is about 81.9843317277.

The spelling of 551052 in words is "five hundred fifty-one thousand, fifty-two".