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50000005550 = 2521190909101
BaseRepresentation
bin101110100100001110…
…111000100110101110
311210001120211110020102
4232210032320212232
51304400000134200
634545241351102
73420022014635
oct564416704656
9153046743212
1050000005550
111a228777240
129834a98492
13493aa72401
1425c473251c
1514798966d5
hexba43b89ae

50000005550 has 24 divisors (see below), whose sum is σ = 101454557832. Its totient is φ = 18181820000.

The previous prime is 50000005547. The next prime is 50000005613. The reversal of 50000005550 is 5550000005.

It is a happy number.

50000005550 is a modest number, since divided by 5550 gives 50 as remainder.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 45454001 + ... + 45455100.

It is an arithmetic number, because the mean of its divisors is an integer number (4227273243).

Almost surely, 250000005550 is an apocalyptic number.

50000005550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50000005550 is an abundant number, since it is smaller than the sum of its proper divisors (51454552282).

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

50000005550 is a wasteful number, since it uses less digits than its factorization.

50000005550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90909124 (or 90909119 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 20.

Adding to 50000005550 its reverse (5550000005), we get a palindrome (55550005555).

The spelling of 50000005550 in words is "fifty billion, five thousand, five hundred fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 275 550 90909101 181818202 454545505 909091010 1000000111 2000000222 2272727525 4545455050 5000000555 10000001110 25000002775 50000005550