Search a number
-
+
55254308191 = 176153282843
BaseRepresentation
bin110011011101011010…
…011101010101011111
312021121202201200102221
4303131122131111133
51401130100330231
641214455330211
73664152604345
oct633532352537
9167552650387
1055254308191
1121484686615
12a860680967
1352974bbc24
1429624ad995
151685cd1d11
hexcdd69d55f

55254308191 has 8 divisors (see below), whose sum is σ = 59463653904. Its totient is φ = 51151528320.

The previous prime is 55254308183. The next prime is 55254308297. The reversal of 55254308191 is 19180345255.

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 55254308191 - 23 = 55254308183 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 (55254303191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26640385 + ... + 26642458.

It is an arithmetic number, because the mean of its divisors is an integer number (7432956738).

Almost surely, 255254308191 is an apocalyptic number.

55254308191 is a deficient number, since it is larger than the sum of its proper divisors (4209345713).

55254308191 is a wasteful number, since it uses less digits than its factorization.

55254308191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53282921.

The product of its (nonzero) digits is 216000, while the sum is 43.

The spelling of 55254308191 in words is "fifty-five billion, two hundred fifty-four million, three hundred eight thousand, one hundred ninety-one".

Divisors: 1 17 61 1037 53282843 905808331 3250253423 55254308191