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51896587 is a prime number
BaseRepresentation
bin1100010111111…
…0000100001011
310121122121201211
43011332010023
5101241142322
65052153551
71200054001
oct305760413
9117577654
1051896587
1127326746
12154688b7
13a9a0752
146c6ca71
154851b77
hex317e10b

51896587 has 2 divisors, whose sum is σ = 51896588. Its totient is φ = 51896586.

The previous prime is 51896561. The next prime is 51896591. The reversal of 51896587 is 78569815.

51896587 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51896587 - 223 = 43507979 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51896587.

It is not a weakly prime, because it can be changed into another prime (51896687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25948293 + 25948294.

It is an arithmetic number, because the mean of its divisors is an integer number (25948294).

Almost surely, 251896587 is an apocalyptic number.

51896587 is a deficient number, since it is larger than the sum of its proper divisors (1).

51896587 is an equidigital number, since it uses as much as digits as its factorization.

51896587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 604800, while the sum is 49.

The square root of 51896587 is about 7203.9285809897. The cubic root of 51896587 is about 373.0035218781.

The spelling of 51896587 in words is "fifty-one million, eight hundred ninety-six thousand, five hundred eighty-seven".