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55125473311 = 1131379935353
BaseRepresentation
bin110011010101101110…
…111111100000011111
312021021210022012012201
4303111232333200133
51400344110121221
641154014112331
73661026535426
oct632556774037
9167253265181
1055125473311
1121418990007
12a8254ab6a7
1352768c087c
14294d3342bd
151679833891
hexcd5bbf81f

55125473311 has 8 divisors (see below), whose sum is σ = 55618912800. Its totient is φ = 54632132352.

The previous prime is 55125473287. The next prime is 55125473323. The reversal of 55125473311 is 11337452155.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55125473311 - 219 = 55124949023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55125470311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1541611 + ... + 1576963.

It is an arithmetic number, because the mean of its divisors is an integer number (6952364100).

Almost surely, 255125473311 is an apocalyptic number.

55125473311 is a deficient number, since it is larger than the sum of its proper divisors (493439489).

55125473311 is a wasteful number, since it uses less digits than its factorization.

55125473311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49265.

The product of its digits is 63000, while the sum is 37.

The spelling of 55125473311 in words is "fifty-five billion, one hundred twenty-five million, four hundred seventy-three thousand, three hundred eleven".

Divisors: 1 113 13799 35353 1559287 3994889 487836047 55125473311