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55483638455 = 5710115695513
BaseRepresentation
bin110011101011000101…
…010010001010110111
312022012202020212102102
4303223011102022313
51402112302412310
641253330532315
74002636100610
oct635305221267
9168182225372
1055483638455
1121592081863
12a90543709b
135302b753cb
142984b28c07
15169aed18a5
hexceb1522b7

55483638455 has 16 divisors (see below), whose sum is σ = 76845236544. Its totient is φ = 37669228800.

The previous prime is 55483638449. The next prime is 55483638467.

55483638455 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55483638455 - 210 = 55483637431 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55483638455.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7844222 + ... + 7851291.

It is an arithmetic number, because the mean of its divisors is an integer number (4802827284).

Almost surely, 255483638455 is an apocalyptic number.

55483638455 is a deficient number, since it is larger than the sum of its proper divisors (21361598089).

55483638455 is a wasteful number, since it uses less digits than its factorization.

55483638455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15695626.

The product of its digits is 34560000, while the sum is 56.

The spelling of 55483638455 in words is "fifty-five billion, four hundred eighty-three million, six hundred thirty-eight thousand, four hundred fifty-five".

Divisors: 1 5 7 35 101 505 707 3535 15695513 78477565 109868591 549342955 1585246813 7926234065 11096727691 55483638455