Search a number
-
+
55055551104 = 273247791277
BaseRepresentation
bin110011010001100100…
…010000101010000000
312021002220201202222100
4303101210100222000
51400223210113404
641143035310400
73656220314541
oct632144205200
9167086652870
1055055551104
1121392472464
12a805bab400
13526527b598
142943d324c8
151673620d39
hexcd1910a80

55055551104 has 48 divisors (see below), whose sum is σ = 158428086570. Its totient is φ = 18351849984.

The previous prime is 55055551073. The next prime is 55055551121. The reversal of 55055551104 is 40115555055.

55055551104 is a `hidden beast` number, since 5 + 50 + 55 + 551 + 1 + 0 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 52785981504 + 2269569600 = 229752^2 + 47640^2 .

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×550555511042 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23894487 + ... + 23896790.

Almost surely, 255055551104 is an apocalyptic number.

It is an amenable number.

55055551104 is an abundant number, since it is smaller than the sum of its proper divisors (103372535466).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55055551104 is a wasteful number, since it uses less digits than its factorization.

55055551104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47791297 (or 47791282 counting only the distinct ones).

The product of its (nonzero) digits is 62500, while the sum is 36.

The spelling of 55055551104 in words is "fifty-five billion, fifty-five million, five hundred fifty-one thousand, one hundred four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 288 384 576 1152 47791277 95582554 143373831 191165108 286747662 382330216 430121493 573495324 764660432 860242986 1146990648 1529320864 1720485972 2293981296 3058641728 3440971944 4587962592 6117283456 6881943888 9175925184 13763887776 18351850368 27527775552 55055551104