553545 has 12 divisors (see below), whose sum is σ = 959556. Its totient is φ = 295200.

The previous prime is 553543. The next prime is 553549. The reversal of 553545 is 545355.

It can be written as a sum of positive squares in 2 ways, for example, as 197136 + 356409 = 444^2 + 597^2 .

It is not a de Polignac number, because 553545 - 2¹ = 553543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (553543) 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, 6106 + ... + 6195.

It is an arithmetic number, because the mean of its divisors is an integer number (79963).

2⁵⁵³⁵⁴⁵ is an apocalyptic number.

It is an amenable number.

553545 is a deficient number, since it is larger than the sum of its proper divisors (406011).

553545 is a wasteful number, since it uses less digits than its factorization.

553545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12312 (or 12309 counting only the distinct ones).

The product of its digits is 7500, while the sum is 27.

The square root of 553545 is about 744.0060483625. The cubic root of 553545 is about 82.1077801445.

It can be divided in two parts, 55 and 3545, that added together give a square (3600 = 60²).

The spelling of 553545 in words is "five hundred fifty-three thousand, five hundred forty-five".