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55013250050 = 25211531887247
BaseRepresentation
bin110011001111000010…
…111001010000000010
312020222222010122211122
4303033002321100002
51400131343000200
641134524512242
73655164624053
oct631702712002
9166888118748
1055013250050
1121370600010
12a7b39ab682
13525958a585
14293c48072a
15166ea67385
hexccf0b9402

55013250050 has 48 divisors (see below), whose sum is σ = 113733113472. Its totient is φ = 19627358400.

The previous prime is 55013250031. The next prime is 55013250059. The reversal of 55013250050 is 5005231055.

It is not an unprimeable number, because it can be changed into a prime (55013250059) 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, 914474 + ... + 972773.

It is an arithmetic number, because the mean of its divisors is an integer number (2369439864).

Almost surely, 255013250050 is an apocalyptic number.

55013250050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55013250050 is an abundant number, since it is smaller than the sum of its proper divisors (58719863422).

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

55013250050 is a wasteful number, since it uses less digits than its factorization.

55013250050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1887323 (or 1887318 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 26.

The spelling of 55013250050 in words is "fifty-five billion, thirteen million, two hundred fifty thousand, fifty".

Divisors: 1 2 5 10 11 22 25 50 53 55 106 110 265 275 530 550 583 1166 1325 2650 2915 5830 14575 29150 1887247 3774494 9436235 18872470 20759717 41519434 47181175 94362350 100024091 103798585 200048182 207597170 500120455 518992925 1000240910 1037985850 1100265001 2200530002 2500602275 5001204550 5501325005 11002650010 27506625025 55013250050