Search a number
-
+
54743569 = 411335209
BaseRepresentation
bin1101000011010…
…1001000010001
310211000021001121
43100311020101
5103003243234
65233202241
71233212146
oct320651021
9124007047
1054743569
11289a0721
1216400381
13b45955a
1473b03cd
154c154b4
hex3435211

54743569 has 4 divisors (see below), whose sum is σ = 56078820. Its totient is φ = 53408320.

The previous prime is 54743543. The next prime is 54743597. The reversal of 54743569 is 96534745.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96534745 = 519306949.

It can be written as a sum of positive squares in 2 ways, for example, as 26780625 + 27962944 = 5175^2 + 5288^2 .

It is a cyclic number.

It is not a de Polignac number, because 54743569 - 27 = 54743441 is a prime.

It is a super-2 number, since 2×547435692 = 5993716693715522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54743069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 667564 + ... + 667645.

It is an arithmetic number, because the mean of its divisors is an integer number (14019705).

Almost surely, 254743569 is an apocalyptic number.

It is an amenable number.

54743569 is a deficient number, since it is larger than the sum of its proper divisors (1335251).

54743569 is a wasteful number, since it uses less digits than its factorization.

54743569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335250.

The product of its digits is 453600, while the sum is 43.

The square root of 54743569 is about 7398.8897140044. The cubic root of 54743569 is about 379.7032979444.

The spelling of 54743569 in words is "fifty-four million, seven hundred forty-three thousand, five hundred sixty-nine".

Divisors: 1 41 1335209 54743569