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55080000001 = 134236923077
BaseRepresentation
bin110011010011000001…
…100001101000000001
312021011121201220120001
4303103001201220001
51400300440000001
641145311320001
73656635163245
oct632301415001
9167147656501
1055080000001
11213a5251264
12a812220001
13526a35b9a0
142947298425
151675850001
hexcd3061a01

55080000001 has 4 divisors (see below), whose sum is σ = 59316923092. Its totient is φ = 50843076912.

The previous prime is 55079999977. The next prime is 55080000043. The reversal of 55080000001 is 10000008055.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22680360000 + 32399640001 = 150600^2 + 179999^2 .

It is a cyclic number.

It is not a de Polignac number, because 55080000001 - 213 = 55079991809 is a prime.

It is a super-2 number, since 2×550800000012 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55080000061) 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 3 ways as a sum of consecutive naturals, for example, 2118461526 + ... + 2118461551.

It is an arithmetic number, because the mean of its divisors is an integer number (14829230773).

Almost surely, 255080000001 is an apocalyptic number.

It is an amenable number.

55080000001 is a deficient number, since it is larger than the sum of its proper divisors (4236923091).

55080000001 is a wasteful number, since it uses less digits than its factorization.

55080000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4236923090.

The product of its (nonzero) digits is 200, while the sum is 19.

Adding to 55080000001 its reverse (10000008055), we get a palindrome (65080008056).

The spelling of 55080000001 in words is "fifty-five billion, eighty million, one", and thus it is an aban number and an uban number.

Divisors: 1 13 4236923077 55080000001