Search a number
-
+
55868086855 = 573536616841
BaseRepresentation
bin110100000001111111…
…110101101001000111
312100012112122212111001
4310001333311221013
51403404212234410
641355422554131
74015314621460
oct640177655107
9170175585431
1055868086855
112176a095609
12a9b2138947
135364700279
1429bdc01d67
1516beb2233a
hexd01ff5a47

55868086855 has 32 divisors (see below), whose sum is σ = 76963632768. Its totient is φ = 38137651200.

The previous prime is 55868086829. The next prime is 55868086861.

55868086855 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55868086855 - 221 = 55865989703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8163235 + ... + 8170075.

It is an arithmetic number, because the mean of its divisors is an integer number (2405113524).

Almost surely, 255868086855 is an apocalyptic number.

55868086855 is a deficient number, since it is larger than the sum of its proper divisors (21095545913).

55868086855 is a wasteful number, since it uses less digits than its factorization.

55868086855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7867.

The product of its (nonzero) digits is 92160000, while the sum is 64.

The spelling of 55868086855 in words is "fifty-five billion, eight hundred sixty-eight million, eighty-six thousand, eight hundred fifty-five".

Divisors: 1 5 7 35 353 661 1765 2471 3305 4627 6841 12355 23135 34205 47887 233333 239435 1166665 1633331 2414873 4521901 8166655 12074365 16904111 22609505 31653307 84520555 158266535 1596231053 7981155265 11173617371 55868086855