553860 has 72 divisors (see below), whose sum is σ = 1788696. Its totient is φ = 138240.

The previous prime is 553849. The next prime is 553867. The reversal of 553860 is 68355.

It can be written as a sum of positive squares in 4 ways, for example, as 9216 + 544644 = 96^2 + 738^2 .

It is not an unprimeable number, because it can be changed into a prime (553867) by changing a digit.

553860 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2970 + ... + 3150.

It is an arithmetic number, because the mean of its divisors is an integer number (24843).

2⁵⁵³⁸⁶⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 553860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (894348).

553860 is an abundant number, since it is smaller than the sum of its proper divisors (1234836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

553860 is a wasteful number, since it uses less digits than its factorization.

553860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 553860 is about 744.2177100822. The cubic root of 553860 is about 82.1233519265.

The spelling of 553860 in words is "five hundred fifty-three thousand, eight hundred sixty".