553546 has 16 divisors (see below), whose sum is σ = 999360. Its totient is φ = 224640.

The previous prime is 553543. The next prime is 553549. The reversal of 553546 is 645355.

It is an interprime number because it is at equal distance from previous prime (553543) and next prime (553549).

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 7 ways as a sum of consecutive naturals, for example, 775 + ... + 1306.

It is an arithmetic number, because the mean of its divisors is an integer number (62460).

2⁵⁵³⁵⁴⁶ is an apocalyptic number.

553546 is a deficient number, since it is larger than the sum of its proper divisors (445814).

553546 is a wasteful number, since it uses less digits than its factorization.

553546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2109.

The product of its digits is 9000, while the sum is 28.

The square root of 553546 is about 744.0067203998. The cubic root of 553546 is about 82.1078295880.

Subtracting 553546 from its reverse (645355), we obtain a square (91809 = 303²).

The spelling of 553546 in words is "five hundred fifty-three thousand, five hundred forty-six".