553145 has 4 divisors (see below), whose sum is σ = 663780. Its totient is φ = 442512.

The previous prime is 553141. The next prime is 553153. The reversal of 553145 is 541355.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 541355 = 5 ⋅108271.

It can be written as a sum of positive squares in 2 ways, for example, as 126736 + 426409 = 356^2 + 653^2 .

It is a cyclic number.

It is not a de Polignac number, because 553145 - 2² = 553141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 553145.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 553145.

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 3 ways as a sum of consecutive naturals, for example, 55310 + ... + 55319.

It is an arithmetic number, because the mean of its divisors is an integer number (165945).

2⁵⁵³¹⁴⁵ is an apocalyptic number.

It is an amenable number.

553145 is a deficient number, since it is larger than the sum of its proper divisors (110635).

553145 is a wasteful number, since it uses less digits than its factorization.

553145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110634.

The product of its digits is 1500, while the sum is 23.

The square root of 553145 is about 743.7371847635. The cubic root of 553145 is about 82.0879979369.

The spelling of 553145 in words is "five hundred fifty-three thousand, one hundred forty-five".