Search a number
-
+
55506160051 = 291914005519
BaseRepresentation
bin110011101100011011…
…001100100110110011
312022021022122002020121
4303230123030212303
51402134034110201
641255453351111
74003331401336
oct635433144663
9168238562217
1055506160051
11215a3864651
12a910a98497
13530772c4b4
142987b0c61d
15169ce7e9a1
hexcec6cc9b3

55506160051 has 4 divisors (see below), whose sum is σ = 57420165600. Its totient is φ = 53592154504.

The previous prime is 55506160049. The next prime is 55506160121. The reversal of 55506160051 is 15006160555.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15006160555 = 53001232111.

It is a cyclic number.

It is not a de Polignac number, because 55506160051 - 21 = 55506160049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55506159989 and 55506160016.

It is not an unprimeable number, because it can be changed into a prime (55506160001) 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, 957002731 + ... + 957002788.

It is an arithmetic number, because the mean of its divisors is an integer number (14355041400).

Almost surely, 255506160051 is an apocalyptic number.

55506160051 is a deficient number, since it is larger than the sum of its proper divisors (1914005549).

55506160051 is a wasteful number, since it uses less digits than its factorization.

55506160051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1914005548.

The product of its (nonzero) digits is 22500, while the sum is 34.

The spelling of 55506160051 in words is "fifty-five billion, five hundred six million, one hundred sixty thousand, fifty-one".

Divisors: 1 29 1914005519 55506160051