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552520543 = 2771994659
BaseRepresentation
bin100000111011101…
…100101101011111
31102111122221200211
4200323230231133
52112421124133
6130454233251
716456230031
oct4073545537
91374587624
10552520543
11263979953
12135055827
138a613843
1453547c51
153378ebcd
hex20eecb5f

552520543 has 4 divisors (see below), whose sum is σ = 554515480. Its totient is φ = 550525608.

The previous prime is 552520541. The next prime is 552520561. The reversal of 552520543 is 345025255.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 345025255 = 569005051.

It is a cyclic number.

It is not a de Polignac number, because 552520543 - 21 = 552520541 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 (552520541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 997053 + ... + 997606.

It is an arithmetic number, because the mean of its divisors is an integer number (138628870).

Almost surely, 2552520543 is an apocalyptic number.

552520543 is a deficient number, since it is larger than the sum of its proper divisors (1994937).

552520543 is a wasteful number, since it uses less digits than its factorization.

552520543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1994936.

The product of its (nonzero) digits is 30000, while the sum is 31.

The square root of 552520543 is about 23505.7555292316. The cubic root of 552520543 is about 820.5709601749.

Adding to 552520543 its reverse (345025255), we get a palindrome (897545798).

The spelling of 552520543 in words is "five hundred fifty-two million, five hundred twenty thousand, five hundred forty-three".

Divisors: 1 277 1994659 552520543