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55250868050 = 2527157859623
BaseRepresentation
bin110011011101001101…
…010101011101010010
312021121112020220110022
4303131031111131102
51401123210234200
641214253503442
73664111425650
oct633515253522
9167545226408
1055250868050
1121482746a24
12a85b4a1b82
135296886141
142961c55dd0
151685852885
hexcdd355752

55250868050 has 24 divisors (see below), whose sum is σ = 117447560256. Its totient is φ = 18943154640.

The previous prime is 55250868041. The next prime is 55250868053. The reversal of 55250868050 is 5086805255.

It is a super-3 number, since 3×552508680503 (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55250867992 and 55250868010.

It is not an unprimeable number, because it can be changed into a prime (55250868053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78929462 + ... + 78930161.

It is an arithmetic number, because the mean of its divisors is an integer number (4893648344).

Almost surely, 255250868050 is an apocalyptic number.

55250868050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55250868050 is an abundant number, since it is smaller than the sum of its proper divisors (62196692206).

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

55250868050 is a wasteful number, since it uses less digits than its factorization.

55250868050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157859642 (or 157859637 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 44.

The spelling of 55250868050 in words is "fifty-five billion, two hundred fifty million, eight hundred sixty-eight thousand, fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 175 350 157859623 315719246 789298115 1105017361 1578596230 2210034722 3946490575 5525086805 7892981150 11050173610 27625434025 55250868050