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56868853 is a prime number
BaseRepresentation
bin1101100011101…
…1111111110101
310222000020101211
43120323333311
5104024300403
65350521421
71260243256
oct330737765
9128006354
1056868853
112a112458
1217066271
13ba21a12
1477a4b2d
154ed506d
hex363bff5

56868853 has 2 divisors, whose sum is σ = 56868854. Its totient is φ = 56868852.

The previous prime is 56868829. The next prime is 56868883. The reversal of 56868853 is 35886865.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56580484 + 288369 = 7522^2 + 537^2 .

It is a cyclic number.

It is not a de Polignac number, because 56868853 - 25 = 56868821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56868797 and 56868806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56868883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28434426 + 28434427.

It is an arithmetic number, because the mean of its divisors is an integer number (28434427).

Almost surely, 256868853 is an apocalyptic number.

It is an amenable number.

56868853 is a deficient number, since it is larger than the sum of its proper divisors (1).

56868853 is an equidigital number, since it uses as much as digits as its factorization.

56868853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1382400, while the sum is 49.

The square root of 56868853 is about 7541.1440113553. The cubic root of 56868853 is about 384.5547289384.

The spelling of 56868853 in words is "fifty-six million, eight hundred sixty-eight thousand, eight hundred fifty-three".