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552803057 = 1282143117
BaseRepresentation
bin100000111100110…
…001101011110001
31102112012022020022
4200330301223301
52113004144212
6130504253225
716461514502
oct4074615361
91375168208
10552803057
11264052134
12135171215
138a6b2301
14535bcba9
15337e8772
hex20f31af1

552803057 has 4 divisors (see below), whose sum is σ = 552858996. Its totient is φ = 552747120.

The previous prime is 552803039. The next prime is 552803077. The reversal of 552803057 is 750308255.

552803057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 750308255 = 5150061651.

It can be written as a sum of positive squares in 2 ways, for example, as 116661601 + 436141456 = 10801^2 + 20884^2 .

It is a cyclic number.

It is not a de Polignac number, because 552803057 - 214 = 552786673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (552803077) 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, 8738 + ... + 34379.

It is an arithmetic number, because the mean of its divisors is an integer number (138214749).

Almost surely, 2552803057 is an apocalyptic number.

It is an amenable number.

552803057 is a deficient number, since it is larger than the sum of its proper divisors (55939).

552803057 is a wasteful number, since it uses less digits than its factorization.

552803057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55938.

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 552803057 is about 23511.7642255957. The cubic root of 552803057 is about 820.7107940608.

The spelling of 552803057 in words is "five hundred fifty-two million, eight hundred three thousand, fifty-seven".

Divisors: 1 12821 43117 552803057