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55448130355200 = 21635521121151
BaseRepresentation
bin11001001101110000001100…
…00111010000000000000000
321021022210022112121010200000
430212320012013100000000
524231430232332331300
6313532304110400000
714451665234355462
oct1446700607200000
9237283275533600
1055448130355200
1116738469068200
126276276800000
1324c297572c29b
14d999bd43c132
156624ee40ac00
hex326e061d0000

55448130355200 has 1836 divisors, whose sum is σ = 226607255207424. Its totient is φ = 13430292480000.

The previous prime is 55448130355193. The next prime is 55448130355231. The reversal of 55448130355200 is 255303184455.

It is a happy number.

55448130355200 is a `hidden beast` number, since 5 + 5 + 44 + 81 + 3 + 0 + 3 + 5 + 520 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 48173874625 + ... + 48173875775.

Almost surely, 255448130355200 is an apocalyptic number.

55448130355200 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 55448130355200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113303627603712).

55448130355200 is an abundant number, since it is smaller than the sum of its proper divisors (171159124852224).

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

55448130355200 is an equidigital number, since it uses as much as digits as its factorization.

55448130355200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1230 (or 1172 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 45.

The spelling of 55448130355200 in words is "fifty-five trillion, four hundred forty-eight billion, one hundred thirty million, three hundred fifty-five thousand, two hundred".