553685 has 8 divisors (see below), whose sum is σ = 724896. Its totient is φ = 402640.

The previous prime is 553681. The next prime is 553687. The reversal of 553685 is 586355.

553685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 553685 - 2² = 553681 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553681) 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, 4979 + ... + 5088.

It is an arithmetic number, because the mean of its divisors is an integer number (90612).

2⁵⁵³⁶⁸⁵ is an apocalyptic number.

553685 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

553685 is a deficient number, since it is larger than the sum of its proper divisors (171211).

553685 is a wasteful number, since it uses less digits than its factorization.

553685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10083.

The product of its digits is 18000, while the sum is 32.

The square root of 553685 is about 744.1001276710. The cubic root of 553685 is about 82.1147016656.

The spelling of 553685 in words is "five hundred fifty-three thousand, six hundred eighty-five".