Search a number
-
+
55005613432 = 2371189294827
BaseRepresentation
bin110011001110100101…
…110000110101111000
312020222102202200100221
4303032211300311320
51400122414112212
641134053105424
73655042666630
oct631645606570
9166872680327
1055005613432
1121367264560
12a7b1328274
135257b15673
14293b4536c0
15166e059807
hexcce970d78

55005613432 has 32 divisors (see below), whose sum is σ = 128584552320. Its totient is φ = 21430758240.

The previous prime is 55005613427. The next prime is 55005613433. The reversal of 55005613432 is 23431650055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55005613433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44646798 + ... + 44648029.

It is an arithmetic number, because the mean of its divisors is an integer number (4018267260).

Almost surely, 255005613432 is an apocalyptic number.

It is an amenable number.

55005613432 is an abundant number, since it is smaller than the sum of its proper divisors (73578938888).

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

55005613432 is a wasteful number, since it uses less digits than its factorization.

55005613432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89294851 (or 89294847 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 34.

The spelling of 55005613432 in words is "fifty-five billion, five million, six hundred thirteen thousand, four hundred thirty-two".

Divisors: 1 2 4 7 8 11 14 22 28 44 56 77 88 154 308 616 89294827 178589654 357179308 625063789 714358616 982243097 1250127578 1964486194 2500255156 3928972388 5000510312 6875701679 7857944776 13751403358 27502806716 55005613432