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55013040223 = 295335792479
BaseRepresentation
bin110011001111000010…
…000110000001011111
312020222221202000000021
4303033002012001133
51400131314241343
641134520213011
73655163061241
oct631702060137
9166887660007
1055013040223
11213704773a9
12a7b390a167
135259515c0b
14293c428091
15166ea250ed
hexccf08605f

55013040223 has 8 divisors (see below), whose sum is σ = 57983817600. Its totient is φ = 52113847968.

The previous prime is 55013040221. The next prime is 55013040227. The reversal of 55013040223 is 32204031055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55013040223 - 21 = 55013040221 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 (55013040221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17894703 + ... + 17897776.

It is an arithmetic number, because the mean of its divisors is an integer number (7247977200).

Almost surely, 255013040223 is an apocalyptic number.

55013040223 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

55013040223 is a deficient number, since it is larger than the sum of its proper divisors (2970777377).

55013040223 is a wasteful number, since it uses less digits than its factorization.

55013040223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35792561.

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 55013040223 its reverse (32204031055), we get a palindrome (87217071278).

The spelling of 55013040223 in words is "fifty-five billion, thirteen million, forty thousand, two hundred twenty-three".

Divisors: 1 29 53 1537 35792479 1037981891 1897001387 55013040223