553812 has 48 divisors (see below), whose sum is σ = 1559040. Its totient is φ = 149472.

The previous prime is 553811. The next prime is 553837. The reversal of 553812 is 218355.

It is a super-3 number, since 3×553812³ = 509575266333249984, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1423 + ... + 1769.

It is an arithmetic number, because the mean of its divisors is an integer number (32480).

2⁵⁵³⁸¹² 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 553812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (779520).

553812 is an abundant number, since it is smaller than the sum of its proper divisors (1005228).

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

553812 is a wasteful number, since it uses less digits than its factorization.

553812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380 (or 378 counting only the distinct ones).

The product of its digits is 1200, while the sum is 24.

The square root of 553812 is about 744.1854607556. The cubic root of 553812 is about 82.1209794649.

The spelling of 553812 in words is "five hundred fifty-three thousand, eight hundred twelve".