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50550500000 = 255671113101
BaseRepresentation
bin101111000101000010…
…110110101010100000
311211110221200110122202
4233011002312222200
51312011412000000
635120024352332
73436455106010
oct570502665240
9154427613582
1050550500000
111a490491930
1299693156a8
1349c7b26980
1426378adc40
1514acd85dd5
hexbc50b6aa0

50550500000 has 672 divisors, whose sum is σ = 168680340864. Its totient is φ = 14400000000.

The previous prime is 50550499969. The next prime is 50550500003. The reversal of 50550500000 is 505505.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (50550500003) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 500499950 + ... + 500500050.

It is an arithmetic number, because the mean of its divisors is an integer number (251012412).

Almost surely, 250550500000 is an apocalyptic number.

50550500000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50550500000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84340170432).

50550500000 is an abundant number, since it is smaller than the sum of its proper divisors (118129840864).

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

50550500000 is a wasteful number, since it uses less digits than its factorization.

50550500000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 139 counting only the distinct ones).

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

50550500000 divided by its reverse (505505) gives a 5-th power (100000 = 105).

It can be divided in two parts, 505 and 50500000, that added together give a palindrome (50500505).

The spelling of 50550500000 in words is "fifty billion, five hundred fifty million, five hundred thousand".