Search a number
-
+
55357242017 = 7211102703603
BaseRepresentation
bin110011100011100011…
…000111101010100001
312021212221102021002212
4303203203013222201
51401332423221032
641233013451505
73666542536100
oct634343075241
9167787367085
1055357242017
11215277a12a0
12a88b040b95
1352b291bc0c
142972026037
15168ed65bb2
hexce38c7aa1

55357242017 has 12 divisors (see below), whose sum is σ = 70249265136. Its totient is φ = 43135512840.

The previous prime is 55357242011. The next prime is 55357242023. The reversal of 55357242017 is 71024275355.

55357242017 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55357242011) and next prime (55357242023).

It is not a de Polignac number, because 55357242017 - 28 = 55357241761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55357242011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51351263 + ... + 51352340.

It is an arithmetic number, because the mean of its divisors is an integer number (5854105428).

Almost surely, 255357242017 is an apocalyptic number.

It is an amenable number.

55357242017 is a deficient number, since it is larger than the sum of its proper divisors (14892023119).

55357242017 is a wasteful number, since it uses less digits than its factorization.

55357242017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102703628 (or 102703621 counting only the distinct ones).

The product of its (nonzero) digits is 294000, while the sum is 41.

The spelling of 55357242017 in words is "fifty-five billion, three hundred fifty-seven million, two hundred forty-two thousand, seventeen".

Divisors: 1 7 11 49 77 539 102703603 718925221 1129739633 5032476547 7908177431 55357242017