553131 has 12 divisors (see below), whose sum is σ = 819000. Its totient is φ = 359520.

The previous prime is 553123. The next prime is 553139. The reversal of 553131 is 131355.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (553123) and next prime (553139).

It is not a de Polignac number, because 553131 - 2³ = 553123 is a prime.

It is a super-2 number, since 2×553131² = 611907806322, which contains 22 as substring.

It is an Ulam number.

553131 is a lucky number.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 381 + ... + 1118.

It is an arithmetic number, because the mean of its divisors is an integer number (68250).

2⁵⁵³¹³¹ is an apocalyptic number.

553131 is a deficient number, since it is larger than the sum of its proper divisors (265869).

553131 is a wasteful number, since it uses less digits than its factorization.

553131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1546 (or 1543 counting only the distinct ones).

The product of its digits is 225, while the sum is 18.

The square root of 553131 is about 743.7277727771. The cubic root of 553131 is about 82.0873053870.

Adding to 553131 its reverse (131355), we get a palindrome (684486).

The spelling of 553131 in words is "five hundred fifty-three thousand, one hundred thirty-one".