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55055025555 = 3517215902061
BaseRepresentation
bin110011010001100010…
…010000010110010011
312021002212202002001120
4303101202100112103
51400223041304210
641143020133323
73656212665405
oct632142202623
9167085662046
1055055025555
1121392143622
12a805997243
1352651262ca
142943c36b75
15167356a270
hexcd1890593

55055025555 has 16 divisors (see below), whose sum is σ = 93269690784. Its totient is φ = 27635463680.

The previous prime is 55055025539. The next prime is 55055025569. The reversal of 55055025555 is 55552055055.

It is not a de Polignac number, because 55055025555 - 24 = 55055025539 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107950776 + ... + 107951285.

It is an arithmetic number, because the mean of its divisors is an integer number (5829355674).

Almost surely, 255055025555 is an apocalyptic number.

55055025555 is a deficient number, since it is larger than the sum of its proper divisors (38214665229).

55055025555 is a wasteful number, since it uses less digits than its factorization.

55055025555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215902086.

The product of its (nonzero) digits is 781250, while the sum is 42.

The spelling of 55055025555 in words is "fifty-five billion, fifty-five million, twenty-five thousand, five hundred fifty-five".

Divisors: 1 3 5 15 17 51 85 255 215902061 647706183 1079510305 3238530915 3670335037 11011005111 18351675185 55055025555