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8555464061 is a prime number
BaseRepresentation
bin1111111011111001…
…00000010101111101
3211002020121121100022
413331330200111331
5120010144322221
63532541141525
7422004146624
oct77574402575
924066547308
108555464061
1136a0377861
1217a925a8a5
13a64647691
145b237a6bb
1535116c4ab
hex1fdf2057d

8555464061 has 2 divisors, whose sum is σ = 8555464062. Its totient is φ = 8555464060.

The previous prime is 8555464051. The next prime is 8555464067. The reversal of 8555464061 is 1604645558.

8555464061 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6626936836 + 1928527225 = 81406^2 + 43915^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8555464061 is a prime.

It is a super-2 number, since 2×85554640612 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8555464067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4277732030 + 4277732031.

It is an arithmetic number, because the mean of its divisors is an integer number (4277732031).

Almost surely, 28555464061 is an apocalyptic number.

It is an amenable number.

8555464061 is a deficient number, since it is larger than the sum of its proper divisors (1).

8555464061 is an equidigital number, since it uses as much as digits as its factorization.

8555464061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576000, while the sum is 44.

The square root of 8555464061 is about 92495.7515835187. The cubic root of 8555464061 is about 2045.2568557280.

The spelling of 8555464061 in words is "eight billion, five hundred fifty-five million, four hundred sixty-four thousand, sixty-one".