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555684445 = 5208953201
BaseRepresentation
bin100001000111110…
…001001001011101
31102201121200202101
4201013301021131
52114223400240
6131050125101
716525145161
oct4107611135
91381550671
10555684445
1126573aa48
12136120791
138b180984
1453b2cca1
1533bb739a
hex211f125d

555684445 has 8 divisors (see below), whose sum is σ = 667153080. Its totient is φ = 444326400.

The previous prime is 555684443. The next prime is 555684449. The reversal of 555684445 is 544486555.

It can be written as a sum of positive squares in 4 ways, for example, as 225390169 + 330294276 = 15013^2 + 18174^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 555684445 - 21 = 555684443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 555684395 and 555684404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555684443) 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, 16156 + ... + 37045.

It is an arithmetic number, because the mean of its divisors is an integer number (83394135).

Almost surely, 2555684445 is an apocalyptic number.

It is an amenable number.

555684445 is a deficient number, since it is larger than the sum of its proper divisors (111468635).

555684445 is a wasteful number, since it uses less digits than its factorization.

555684445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55295.

The product of its digits is 1920000, while the sum is 46.

The square root of 555684445 is about 23572.9600389938. The cubic root of 555684445 is about 822.1342602686.

The spelling of 555684445 in words is "five hundred fifty-five million, six hundred eighty-four thousand, four hundred forty-five".

Divisors: 1 5 2089 10445 53201 266005 111136889 555684445