551002 has 12 divisors (see below), whose sum is σ = 851850. Its totient is φ = 267288.

The previous prime is 550997. The next prime is 551003. The reversal of 551002 is 200155.

It can be written as a sum of positive squares in only one way, i.e., 534361 + 16641 = 731^2 + 129^2 .

It is not an unprimeable number, because it can be changed into a prime (551003) by changing a digit.

551002 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3624 + ... + 3772.

2⁵⁵¹⁰⁰² is an apocalyptic number.

551002 is a deficient number, since it is larger than the sum of its proper divisors (300848).

551002 is a wasteful number, since it uses less digits than its factorization.

551002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237 (or 194 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 13.

The square root of 551002 is about 742.2950895702. The cubic root of 551002 is about 81.9818520219.

Adding to 551002 its reverse (200155), we get a palindrome (751157).

The spelling of 551002 in words is "five hundred fifty-one thousand, two".