Search a number
-
+
55055061006061 = 402713671482743
BaseRepresentation
bin11001000010010100000010…
…10110101011011011101101
321012221012201212021022022211
430201022001112223123231
524204010231104143221
6313031540150210421
714411411510130604
oct1441120126533355
9235835655238284
1055055061006061
11165a67a1723436
126212058653a11
132494892c256ac
14d84971902a3b
156571961cd6e1
hex3212815ab6ed

55055061006061 has 4 divisors (see below), whose sum is σ = 55068732492832. Its totient is φ = 55041389519292.

The previous prime is 55055061005957. The next prime is 55055061006073. The reversal of 55055061006061 is 16060016055055.

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 55055061006061 - 245 = 19870688917229 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 (55055061006461) 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, 6835737345 + ... + 6835745398.

It is an arithmetic number, because the mean of its divisors is an integer number (13767183123208).

Almost surely, 255055061006061 is an apocalyptic number.

It is an amenable number.

55055061006061 is a deficient number, since it is larger than the sum of its proper divisors (13671486771).

55055061006061 is a wasteful number, since it uses less digits than its factorization.

55055061006061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13671486770.

The product of its (nonzero) digits is 135000, while the sum is 40.

The spelling of 55055061006061 in words is "fifty-five trillion, fifty-five billion, sixty-one million, six thousand, sixty-one".

Divisors: 1 4027 13671482743 55055061006061