551402 has 8 divisors (see below), whose sum is σ = 863136. Its totient is φ = 263692.

The previous prime is 551387. The next prime is 551407. The reversal of 551402 is 204155.

551402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5948 + ... + 6039.

It is an arithmetic number, because the mean of its divisors is an integer number (107892).

2⁵⁵¹⁴⁰² is an apocalyptic number.

551402 is a deficient number, since it is larger than the sum of its proper divisors (311734).

551402 is a wasteful number, since it uses less digits than its factorization.

551402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12012.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 551402 is about 742.5644753151. The cubic root of 551402 is about 82.0016854700.

Adding to 551402 its reverse (204155), we get a palindrome (755557).

The spelling of 551402 in words is "five hundred fifty-one thousand, four hundred two".