Search a number
-
+
55746064769 is a prime number
BaseRepresentation
bin110011111010101110…
…010111000110000001
312022220001001111122112
4303322232113012001
51403131443033034
641335343345105
74012303506113
oct637256270601
9168801044575
1055746064769
112170722260a
12a9792b2195
135345348b55
1429ab91b3b3
1516b406c7ce
hexcfab97181

55746064769 has 2 divisors, whose sum is σ = 55746064770. Its totient is φ = 55746064768.

The previous prime is 55746064753. The next prime is 55746064807. The reversal of 55746064769 is 96746064755.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31492051600 + 24254013169 = 177460^2 + 155737^2 .

It is a cyclic number.

It is not a de Polignac number, because 55746064769 - 24 = 55746064753 is a prime.

It is a super-2 number, since 2×557460647692 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55746024769) 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, 27873032384 + 27873032385.

It is an arithmetic number, because the mean of its divisors is an integer number (27873032385).

Almost surely, 255746064769 is an apocalyptic number.

It is an amenable number.

55746064769 is a deficient number, since it is larger than the sum of its proper divisors (1).

55746064769 is an equidigital number, since it uses as much as digits as its factorization.

55746064769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38102400, while the sum is 59.

The spelling of 55746064769 in words is "fifty-five billion, seven hundred forty-six million, sixty-four thousand, seven hundred sixty-nine".