553087 has 4 divisors (see below), whose sum is σ = 562216. Its totient is φ = 543960.

The previous prime is 553073. The next prime is 553093. The reversal of 553087 is 780355.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 780355 = 5 ⋅156071.

It is a cyclic number.

It is not a de Polignac number, because 553087 - 2¹¹ = 551039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4473 + ... + 4594.

It is an arithmetic number, because the mean of its divisors is an integer number (140554).

2⁵⁵³⁰⁸⁷ is an apocalyptic number.

553087 is a deficient number, since it is larger than the sum of its proper divisors (9129).

553087 is an equidigital number, since it uses as much as digits as its factorization.

553087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9128.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 553087 is about 743.6981914729. The cubic root of 553087 is about 82.0851287252.

The spelling of 553087 in words is "five hundred fifty-three thousand, eighty-seven".