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55050610055 = 572371963181
BaseRepresentation
bin110011010001010001…
…011010010110000111
312021002120102202010112
4303101101122112013
51400220424010210
641142341343235
73656130315260
oct632121322607
9167076382115
1055050610055
112138a6a8151
12a804407b1b
13526423b59c
142943407967
151672e96d05
hexcd145a587

55050610055 has 32 divisors (see below), whose sum is σ = 79890167808. Its totient is φ = 35599132800.

The previous prime is 55050610031. The next prime is 55050610057. The reversal of 55050610055 is 55001605055.

It is not a de Polignac number, because 55050610055 - 28 = 55050609799 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 (55050610057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 424436 + ... + 538745.

It is an arithmetic number, because the mean of its divisors is an integer number (2496567744).

Almost surely, 255050610055 is an apocalyptic number.

55050610055 is a deficient number, since it is larger than the sum of its proper divisors (24839557753).

55050610055 is a wasteful number, since it uses less digits than its factorization.

55050610055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963287.

The product of its (nonzero) digits is 18750, while the sum is 32.

The spelling of 55050610055 in words is "fifty-five billion, fifty million, six hundred ten thousand, fifty-five".

Divisors: 1 5 7 23 35 71 115 161 355 497 805 1633 2485 8165 11431 57155 963181 4815905 6742267 22153163 33711335 68385851 110765815 155072141 341929255 478700957 775360705 1572874573 2393504785 7864372865 11010122011 55050610055