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55432423455 = 354778627551
BaseRepresentation
bin110011101000000001…
…111010100000011111
312022002011212212122120
4303220001322200133
51402011200022310
641244301114023
74001444553003
oct635001724037
9168064785576
1055432423455
1121566181212
12a8b0258913
1352c5382c86
14297bdd6703
151696766b70
hexce807a81f

55432423455 has 16 divisors (see below), whose sum is σ = 90578939904. Its totient is φ = 28934938400.

The previous prime is 55432423429. The next prime is 55432423471.

55432423455 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55432423455 - 29 = 55432422943 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 39313071 + ... + 39314480.

It is an arithmetic number, because the mean of its divisors is an integer number (5661183744).

Almost surely, 255432423455 is an apocalyptic number.

55432423455 is a deficient number, since it is larger than the sum of its proper divisors (35146516449).

55432423455 is a wasteful number, since it uses less digits than its factorization.

55432423455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78627606.

The product of its digits is 1440000, while the sum is 42.

The spelling of 55432423455 in words is "fifty-five billion, four hundred thirty-two million, four hundred twenty-three thousand, four hundred fifty-five".

Divisors: 1 3 5 15 47 141 235 705 78627551 235882653 393137755 1179413265 3695494897 11086484691 18477474485 55432423455