553896 has 72 divisors (see below), whose sum is σ = 1756170. Its totient is φ = 157248.
The previous prime is 553873. The next prime is 553897. The reversal of 553896 is 698355.
It can be written as a sum of positive squares in only one way, i.e., 509796 + 44100 = 714^2 + 210^2 .
It is a tau number, because it is divible by the number of its divisors (72).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 553896.
It is not an unprimeable number, because it can be changed into a prime (553897) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3450 + ... + 3606.
2553896 is an apocalyptic number.
553896 is a gapful number since it is divisible by the number (56) formed by its first and last digit.
553896 is the 471-st heptagonal number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 553896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (878085).
553896 is an abundant number, since it is smaller than the sum of its proper divisors (1202274).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
553896 is a wasteful number, since it uses less digits than its factorization.
553896 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 183 (or 169 counting only the distinct ones).
The product of its digits is 32400, while the sum is 36.
The square root of 553896 is about 744.2418961601. The cubic root of 553896 is about 82.1251311828.
The spelling of 553896 in words is "five hundred fifty-three thousand, eight hundred ninety-six".
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