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56529450589 is a prime number
BaseRepresentation
bin110100101001011010…
…101111011001011101
312101220122010121222011
4310221122233121131
51411233014404324
641545210151221
74040565254563
oct645132573135
9171818117864
1056529450589
1121a79445a07
12ab57722511
13543b732761
142a4399da33
15170cc11c94
hexd296af65d

56529450589 has 2 divisors, whose sum is σ = 56529450590. Its totient is φ = 56529450588.

The previous prime is 56529450587. The next prime is 56529450611. The reversal of 56529450589 is 98505492565.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33513526489 + 23015924100 = 183067^2 + 151710^2 .

It is a cyclic number.

It is not a de Polignac number, because 56529450589 - 21 = 56529450587 is a prime.

Together with 56529450587, it forms a pair of twin primes.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56529450587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28264725294 + 28264725295.

It is an arithmetic number, because the mean of its divisors is an integer number (28264725295).

Almost surely, 256529450589 is an apocalyptic number.

It is an amenable number.

56529450589 is a deficient number, since it is larger than the sum of its proper divisors (1).

56529450589 is an equidigital number, since it uses as much as digits as its factorization.

56529450589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440000, while the sum is 58.

The spelling of 56529450589 in words is "fifty-six billion, five hundred twenty-nine million, four hundred fifty thousand, five hundred eighty-nine".