552729 has 8 divisors (see below), whose sum is σ = 775840. Its totient is φ = 349056.
The previous prime is 552709. The next prime is 552731. The reversal of 552729 is 927255.
It is a happy number.
552729 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 552729 - 28 = 552473 is a prime.
It is a Duffinian number.
552729 is a lucky number.
It is a junction number, because it is equal to n+sod(n) for n = 552696 and 552705.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 552729.
It is not an unprimeable number, because it can be changed into a prime (552709) 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, 4792 + ... + 4905.
It is an arithmetic number, because the mean of its divisors is an integer number (96980).
2552729 is an apocalyptic number.
It is an amenable number.
552729 is a deficient number, since it is larger than the sum of its proper divisors (223111).
552729 is a wasteful number, since it uses less digits than its factorization.
552729 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9719.
The product of its digits is 6300, while the sum is 30.
The square root of 552729 is about 743.4574634772. The cubic root of 552729 is about 82.0674143218.
The spelling of 552729 in words is "five hundred fifty-two thousand, seven hundred twenty-nine".
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