Search a number
-
+
54889771 = 891913229
BaseRepresentation
bin1101000101100…
…0110100101011
310211021200121111
43101120310223
5103022433041
65240251151
71234361326
oct321306453
9124250544
1054889771
1128a90552
1216470ab7
13b4aac71
14740b7bd
154c43981
hex3458d2b

54889771 has 8 divisors (see below), whose sum is σ = 55814400. Its totient is φ = 53972160.

The previous prime is 54889739. The next prime is 54889777. The reversal of 54889771 is 17798845.

54889771 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54889771 - 25 = 54889739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54889777) 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 7 ways as a sum of consecutive naturals, for example, 15385 + ... + 18613.

It is an arithmetic number, because the mean of its divisors is an integer number (6976800).

Almost surely, 254889771 is an apocalyptic number.

54889771 is a deficient number, since it is larger than the sum of its proper divisors (924629).

54889771 is a wasteful number, since it uses less digits than its factorization.

54889771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3509.

The product of its digits is 564480, while the sum is 49.

The square root of 54889771 is about 7408.7631221412. The cubic root of 54889771 is about 380.0410181946.

The spelling of 54889771 in words is "fifty-four million, eight hundred eighty-nine thousand, seven hundred seventy-one".

Divisors: 1 89 191 3229 16999 287381 616739 54889771