551590 has 16 divisors (see below), whose sum is σ = 1069488. Its totient is φ = 203616.

The previous prime is 551587. The next prime is 551597. The reversal of 551590 is 95155.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551597) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1992 + ... + 2251.

It is an arithmetic number, because the mean of its divisors is an integer number (66843).

2⁵⁵¹⁵⁹⁰ is an apocalyptic number.

551590 is a deficient number, since it is larger than the sum of its proper divisors (517898).

551590 is a wasteful number, since it uses less digits than its factorization.

551590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4263.

The product of its (nonzero) digits is 1125, while the sum is 25.

The square root of 551590 is about 742.6910528611. The cubic root of 551590 is about 82.0110038772.

The spelling of 551590 in words is "five hundred fifty-one thousand, five hundred ninety".