553161 has 24 divisors (see below), whose sum is σ = 886464. Its totient is φ = 305760.

The previous prime is 553153. The next prime is 553171. The reversal of 553161 is 161355.

It is a happy number.

It is not a de Polignac number, because 553161 - 2³ = 553153 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 553161.

It is not an unprimeable number, because it can be changed into a prime (553141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7756 + ... + 7826.

It is an arithmetic number, because the mean of its divisors is an integer number (36936).

2⁵⁵³¹⁶¹ is an apocalyptic number.

It is an amenable number.

553161 is a deficient number, since it is larger than the sum of its proper divisors (333303).

553161 is a wasteful number, since it uses less digits than its factorization.

553161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141 (or 134 counting only the distinct ones).

The product of its digits is 450, while the sum is 21.

The square root of 553161 is about 743.7479411736. The cubic root of 553161 is about 82.0887894083.

The spelling of 553161 in words is "five hundred fifty-three thousand, one hundred sixty-one".