Search a number
-
+
55255083165 = 3251279668431
BaseRepresentation
bin110011011101011101…
…011010100010011101
312021121211012001111200
4303131131122202131
51401130300130130
641214524110113
73664162312632
oct633535324235
9167554161450
1055255083165
1121485065897
12a860995339
1352977008a9
142962632189
151685dd6760
hexcdd75a89d

55255083165 has 24 divisors (see below), whose sum is σ = 96529625088. Its totient is φ = 29237332320.

The previous prime is 55255083161. The next prime is 55255083173. The reversal of 55255083165 is 56138055255.

It is a happy number.

55255083165 is a `hidden beast` number, since 5 + 5 + 2 + 550 + 8 + 31 + 65 = 666.

It is not a de Polignac number, because 55255083165 - 22 = 55255083161 is a prime.

It is a super-3 number, since 3×552550831653 (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 55255083165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55255083161) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4828501 + ... + 4839930.

It is an arithmetic number, because the mean of its divisors is an integer number (4022067712).

Almost surely, 255255083165 is an apocalyptic number.

It is an amenable number.

55255083165 is a deficient number, since it is larger than the sum of its proper divisors (41274541923).

55255083165 is a wasteful number, since it uses less digits than its factorization.

55255083165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9668569 (or 9668566 counting only the distinct ones).

The product of its (nonzero) digits is 900000, while the sum is 45.

The spelling of 55255083165 in words is "fifty-five billion, two hundred fifty-five million, eighty-three thousand, one hundred sixty-five".

Divisors: 1 3 5 9 15 45 127 381 635 1143 1905 5715 9668431 29005293 48342155 87015879 145026465 435079395 1227890737 3683672211 6139453685 11051016633 18418361055 55255083165