553138 has 8 divisors (see below), whose sum is σ = 834588. Its totient is φ = 274944.

The previous prime is 553123. The next prime is 553139. The reversal of 553138 is 831355.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 552049 + 1089 = 743^2 + 33^2 .

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

It is not an unprimeable number, because it can be changed into a prime (553139) 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, 331 + ... + 1102.

2⁵⁵³¹³⁸ is an apocalyptic number.

553138 is a deficient number, since it is larger than the sum of its proper divisors (281450).

553138 is a wasteful number, since it uses less digits than its factorization.

553138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1628.

The product of its digits is 1800, while the sum is 25.

The square root of 553138 is about 743.7324787852. The cubic root of 553138 is about 82.0876516634.

The spelling of 553138 in words is "five hundred fifty-three thousand, one hundred thirty-eight".