Search a number
-
+
54361081 is a prime number
BaseRepresentation
bin1100111101011…
…1101111111001
310210021211101101
43033113233321
5102404023311
65221051401
71230030055
oct317275771
9123254341
1054361081
112875a315
1216256b61
13b354428
147310c65
154b8bec1
hex33d7bf9

54361081 has 2 divisors, whose sum is σ = 54361082. Its totient is φ = 54361080.

The previous prime is 54361067. The next prime is 54361091. The reversal of 54361081 is 18016345.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53523856 + 837225 = 7316^2 + 915^2 .

It is a cyclic number.

It is not a de Polignac number, because 54361081 - 25 = 54361049 is a prime.

It is a super-2 number, since 2×543610812 = 5910254254977122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54361091) 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, 27180540 + 27180541.

It is an arithmetic number, because the mean of its divisors is an integer number (27180541).

Almost surely, 254361081 is an apocalyptic number.

It is an amenable number.

54361081 is a deficient number, since it is larger than the sum of its proper divisors (1).

54361081 is an equidigital number, since it uses as much as digits as its factorization.

54361081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 54361081 is about 7372.9967448792. The cubic root of 54361081 is about 378.8169136788.

The spelling of 54361081 in words is "fifty-four million, three hundred sixty-one thousand, eighty-one".