551479 has 4 divisors (see below), whose sum is σ = 554176. Its totient is φ = 548784.

The previous prime is 551461. The next prime is 551483. The reversal of 551479 is 974155.

551479 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 551479 - 2¹¹ = 549431 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 551479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551489) 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, 1014 + ... + 1459.

It is an arithmetic number, because the mean of its divisors is an integer number (138544).

2⁵⁵¹⁴⁷⁹ is an apocalyptic number.

551479 is a deficient number, since it is larger than the sum of its proper divisors (2697).

551479 is a wasteful number, since it uses less digits than its factorization.

551479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2696.

The product of its digits is 6300, while the sum is 31.

The square root of 551479 is about 742.6163208549. The cubic root of 551479 is about 82.0055023078.

The spelling of 551479 in words is "five hundred fifty-one thousand, four hundred seventy-nine".