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50000555855 = 510000111171
BaseRepresentation
bin101110100100010000…
…111110111101001111
311210001121212102010002
4232210100332331033
51304400120241410
634545301234515
73420026466215
oct564420767517
9153047772102
1050000555855
111a229012738
129835102a3b
13493ac05a33
1425c4836cb5
1514799547a5
hexba443ef4f

50000555855 has 4 divisors (see below), whose sum is σ = 60000667032. Its totient is φ = 40000444680.

The previous prime is 50000555837. The next prime is 50000555879. The reversal of 50000555855 is 55855500005.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55855500005 = 511171100001.

It is not a de Polignac number, because 50000555855 - 232 = 45705588559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5000055581 + ... + 5000055590.

It is an arithmetic number, because the mean of its divisors is an integer number (15000166758).

Almost surely, 250000555855 is an apocalyptic number.

50000555855 is a deficient number, since it is larger than the sum of its proper divisors (10000111177).

50000555855 is a wasteful number, since it uses less digits than its factorization.

50000555855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10000111176.

The product of its (nonzero) digits is 125000, while the sum is 38.

The spelling of 50000555855 in words is "fifty billion, five hundred fifty-five thousand, eight hundred fifty-five".

Divisors: 1 5 10000111171 50000555855