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55086080000 = 2135472953
BaseRepresentation
bin110011010011011000…
…101110000000000000
312021012001011210202012
4303103120232000000
51400304014030000
641150045512052
73660040645220
oct632330560000
9167161153665
1055086080000
11213a8724256
12a814272628
13526b6aa213
142947ddc080
151676151735
hexcd362e000

55086080000 has 560 divisors, whose sum is σ = 165824794080. Its totient is φ = 17891328000.

The previous prime is 55086079969. The next prime is 55086080009. The reversal of 55086080000 is 8068055.

It is a tau number, because it is divible by the number of its divisors (560).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55086080009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1039359974 + ... + 1039360026.

Almost surely, 255086080000 is an apocalyptic number.

55086080000 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 55086080000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82912397040).

55086080000 is an abundant number, since it is smaller than the sum of its proper divisors (110738714080).

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

55086080000 is an frugal number, since it uses more digits than its factorization.

55086080000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 32.

The spelling of 55086080000 in words is "fifty-five billion, eighty-six million, eighty thousand".