Search a number
-
+
55505110061 = 193128744231
BaseRepresentation
bin110011101100010111…
…001100010000101101
312022021020122201221002
4303230113030100231
51402133302010221
641255415050045
74003316436212
oct635427142055
9168236581832
1055505110061
11215a3207795
12a910670925
1353074525bb
142987917b09
15169cd2380b
hexcec5cc42d

55505110061 has 4 divisors (see below), whose sum is σ = 55533856224. Its totient is φ = 55476363900.

The previous prime is 55505110021. The next prime is 55505110099. The reversal of 55505110061 is 16001150555.

It is a happy number.

55505110061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55505110061 - 226 = 55438001197 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 (55505110021) 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, 14370185 + ... + 14374046.

It is an arithmetic number, because the mean of its divisors is an integer number (13883464056).

Almost surely, 255505110061 is an apocalyptic number.

It is an amenable number.

55505110061 is a deficient number, since it is larger than the sum of its proper divisors (28746163).

55505110061 is a wasteful number, since it uses less digits than its factorization.

55505110061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28746162.

The product of its (nonzero) digits is 3750, while the sum is 29.

The spelling of 55505110061 in words is "fifty-five billion, five hundred five million, one hundred ten thousand, sixty-one".

Divisors: 1 1931 28744231 55505110061