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552557907 = 32115581393
BaseRepresentation
bin100000111011110…
…101110101010011
31102111201211221200
4200323311311103
52112423323112
6130455122243
716456443666
oct4073656523
91374654850
10552557907
112639a4a30
12135073383
138a627855
14535576dd
153379acdc
hex20ef5d53

552557907 has 12 divisors (see below), whose sum is σ = 870697464. Its totient is φ = 334883520.

The previous prime is 552557903. The next prime is 552557917. The reversal of 552557907 is 709755255.

552557907 is a `hidden beast` number, since 5 + 5 + 2 + 557 + 90 + 7 = 666.

It is not a de Polignac number, because 552557907 - 22 = 552557903 is a prime.

It is not an unprimeable number, because it can be changed into a prime (552557903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2790598 + ... + 2790795.

It is an arithmetic number, because the mean of its divisors is an integer number (72558122).

Almost surely, 2552557907 is an apocalyptic number.

552557907 is a deficient number, since it is larger than the sum of its proper divisors (318139557).

552557907 is a wasteful number, since it uses less digits than its factorization.

552557907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5581410 (or 5581407 counting only the distinct ones).

The product of its (nonzero) digits is 551250, while the sum is 45.

The square root of 552557907 is about 23506.5502998632. The cubic root of 552557907 is about 820.5894566952.

The spelling of 552557907 in words is "five hundred fifty-two million, five hundred fifty-seven thousand, nine hundred seven".

Divisors: 1 3 9 11 33 99 5581393 16744179 50232537 61395323 184185969 552557907