553653 has 12 divisors (see below), whose sum is σ = 806208. Its totient is φ = 366120.

The previous prime is 553649. The next prime is 553667. The reversal of 553653 is 356355.

It is a happy number.

553653 is a `hidden beast` number, since 5 + 5 + 3 + 653 = 666.

553653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 553653 - 2² = 553649 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553643) 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, 1908 + ... + 2178.

It is an arithmetic number, because the mean of its divisors is an integer number (67184).

2⁵⁵³⁶⁵³ is an apocalyptic number.

It is an amenable number.

553653 is a deficient number, since it is larger than the sum of its proper divisors (252555).

553653 is a wasteful number, since it uses less digits than its factorization.

553653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504 (or 501 counting only the distinct ones).

The product of its digits is 6750, while the sum is 27.

The square root of 553653 is about 744.0786248778. The cubic root of 553653 is about 82.1131197065.

The spelling of 553653 in words is "five hundred fifty-three thousand, six hundred fifty-three".