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55177172741 = 2941101459469
BaseRepresentation
bin110011011000110100…
…001101011100000101
312021102101120210111102
4303120310031130011
51401000324011431
641203102145445
73662225141555
oct633064153405
9167371523442
1055177172741
1121445091609
12a83a882285
135284522652
142956151165
15167e146dcb
hexcd8d0d705

55177172741 has 16 divisors (see below), whose sum is σ = 59051084400. Its totient is φ = 51460416000.

The previous prime is 55177172719. The next prime is 55177172749. The reversal of 55177172741 is 14727177155.

It can be written as a sum of positive squares in 8 ways, for example, as 5601923716 + 49575249025 = 74846^2 + 222655^2 .

It is a cyclic number.

It is not a de Polignac number, because 55177172741 - 218 = 55176910597 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 (55177172749) 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 15 ways as a sum of consecutive naturals, for example, 109646 + ... + 349823.

It is an arithmetic number, because the mean of its divisors is an integer number (3690692775).

Almost surely, 255177172741 is an apocalyptic number.

It is an amenable number.

55177172741 is a deficient number, since it is larger than the sum of its proper divisors (3873911659).

55177172741 is a wasteful number, since it uses less digits than its factorization.

55177172741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459640.

The product of its digits is 480200, while the sum is 47.

The spelling of 55177172741 in words is "fifty-five billion, one hundred seventy-seven million, one hundred seventy-two thousand, seven hundred forty-one".

Divisors: 1 29 41 101 1189 2929 4141 120089 459469 13324601 18838229 46406369 546308641 1345784701 1902661129 55177172741