Search a number
-
+
54145055 = 510829011
BaseRepresentation
bin1100111010001…
…1000000011111
310202212212001102
43032203000133
5102330120210
65212303315
71225140206
oct316430037
9122785042
1054145055
1128621a88
1216171b3b
13b2a9cc3
14729623d
154b47ea5
hex33a301f

54145055 has 4 divisors (see below), whose sum is σ = 64974072. Its totient is φ = 43316040.

The previous prime is 54145043. The next prime is 54145057. The reversal of 54145055 is 55054145.

It is a happy number.

54145055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55054145 = 511010829.

It is not a de Polignac number, because 54145055 - 26 = 54144991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54145057) 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 in 3 ways as a sum of consecutive naturals, for example, 5414501 + ... + 5414510.

It is an arithmetic number, because the mean of its divisors is an integer number (16243518).

Almost surely, 254145055 is an apocalyptic number.

54145055 is a deficient number, since it is larger than the sum of its proper divisors (10829017).

54145055 is a wasteful number, since it uses less digits than its factorization.

54145055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10829016.

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 54145055 is about 7358.3323518308. The cubic root of 54145055 is about 378.3144528389.

The spelling of 54145055 in words is "fifty-four million, one hundred forty-five thousand, fifty-five".

Divisors: 1 5 10829011 54145055