Search a number
-
+
54989029 is a prime number
BaseRepresentation
bin1101000111000…
…1000011100101
310211110201202201
43101301003211
5103034122104
65242334501
71235253604
oct321610345
9124421681
1054989029
1129049087
12164ba431
13b5141b4
147435a3b
154c630a4
hex34710e5

54989029 has 2 divisors, whose sum is σ = 54989030. Its totient is φ = 54989028.

The previous prime is 54989027. The next prime is 54989041. The reversal of 54989029 is 92098945.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38464804 + 16524225 = 6202^2 + 4065^2 .

It is a cyclic number.

It is not a de Polignac number, because 54989029 - 21 = 54989027 is a prime.

Together with 54989027, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54989029.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54989023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27494514 + 27494515.

It is an arithmetic number, because the mean of its divisors is an integer number (27494515).

Almost surely, 254989029 is an apocalyptic number.

It is an amenable number.

54989029 is a deficient number, since it is larger than the sum of its proper divisors (1).

54989029 is an equidigital number, since it uses as much as digits as its factorization.

54989029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 46.

The square root of 54989029 is about 7415.4587855371. The cubic root of 54989029 is about 380.2699582180.

The spelling of 54989029 in words is "fifty-four million, nine hundred eighty-nine thousand, twenty-nine".