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55413431455 = 5171813601783
BaseRepresentation
bin110011100110111001…
…011101110010011111
312022000212010222112011
4303212321131302133
51401441314301310
641242342052051
74001124252514
oct634671356237
9168025128464
1055413431455
112155648a248
12a8a5a1a027
1352c14635c5
14297969130b
151694c6478a
hexce6e5dc9f

55413431455 has 16 divisors (see below), whose sum is σ = 70796666304. Its totient is φ = 41492528640.

The previous prime is 55413431443. The next prime is 55413431461.

55413431455 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55413431455 - 215 = 55413398687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1785507 + ... + 1816276.

It is an arithmetic number, because the mean of its divisors is an integer number (4424791644).

Almost surely, 255413431455 is an apocalyptic number.

55413431455 is a deficient number, since it is larger than the sum of its proper divisors (15383234849).

55413431455 is a wasteful number, since it uses less digits than its factorization.

55413431455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3601986.

The product of its digits is 360000, while the sum is 40.

The spelling of 55413431455 in words is "fifty-five billion, four hundred thirteen million, four hundred thirty-one thousand, four hundred fifty-five".

Divisors: 1 5 17 85 181 905 3077 15385 3601783 18008915 61230311 306151555 651922723 3259613615 11082686291 55413431455