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55223251200 = 2833521323161
BaseRepresentation
bin110011011011100011…
…111111000100000000
312021112121021211021000
4303123203333010000
51401044123014300
641211425532000
73663324614235
oct633343770400
9167477254230
1055223251200
11214690a3a87
12a8521a4000
135290c36b00
14295c30778c
1516831e9c00
hexcdb8ff100

55223251200 has 1296 divisors, whose sum is σ = 230056942080. Its totient is φ = 12939264000.

The previous prime is 55223251159. The next prime is 55223251267. The reversal of 55223251200 is 215232255.

55223251200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 905299170 + ... + 905299230.

Almost surely, 255223251200 is an apocalyptic number.

55223251200 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 55223251200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115028471040).

55223251200 is an abundant number, since it is smaller than the sum of its proper divisors (174833690880).

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

55223251200 is a wasteful number, since it uses less digits than its factorization.

55223251200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

Adding to 55223251200 its reverse (215232255), we get a palindrome (55438483455).

The spelling of 55223251200 in words is "fifty-five billion, two hundred twenty-three million, two hundred fifty-one thousand, two hundred".