551593 has 6 divisors (see below), whose sum is σ = 641706. Its totient is φ = 472752.

The previous prime is 551587. The next prime is 551597. The reversal of 551593 is 395155.

It can be written as a sum of positive squares in only one way, i.e., 529984 + 21609 = 728^2 + 147^2 .

It is not a de Polignac number, because 551593 - 2¹⁷ = 420521 is a prime.

It is a Duffinian 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 5 ways as a sum of consecutive naturals, for example, 5580 + ... + 5677.

It is an arithmetic number, because the mean of its divisors is an integer number (106951).

2⁵⁵¹⁵⁹³ is an apocalyptic number.

It is an amenable number.

551593 is a deficient number, since it is larger than the sum of its proper divisors (90113).

551593 is a wasteful number, since it uses less digits than its factorization.

551593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11271 (or 11264 counting only the distinct ones).

The product of its digits is 3375, while the sum is 28.

The square root of 551593 is about 742.6930725407. The cubic root of 551593 is about 82.0111525581.

The spelling of 551593 in words is "five hundred fifty-one thousand, five hundred ninety-three".