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550505555508 = 22345875462959
BaseRepresentation
bin10000000001011001011…
…00000010011000110100
31221121221200022202122110
420000230230002120310
533004413410234013
61100522044331020
754526020005016
oct10005454023064
91847850282573
10550505555508
111a2517041917
128a837243a70
133cbb286946c
141c904b541b6
15e4bea8c2c3
hex802cb02634

550505555508 has 12 divisors (see below), whose sum is σ = 1284512962880. Its totient is φ = 183501851832.

The previous prime is 550505555441. The next prime is 550505555521. The reversal of 550505555508 is 805555505055.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22937731468 + ... + 22937731491.

Almost surely, 2550505555508 is an apocalyptic number.

It is an amenable number.

550505555508 is an abundant number, since it is smaller than the sum of its proper divisors (734007407372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

550505555508 is a wasteful number, since it uses less digits than its factorization.

550505555508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45875462966 (or 45875462964 counting only the distinct ones).

The product of its (nonzero) digits is 3125000, while the sum is 48.

The spelling of 550505555508 in words is "five hundred fifty billion, five hundred five million, five hundred fifty-five thousand, five hundred eight".

Divisors: 1 2 3 4 6 12 45875462959 91750925918 137626388877 183501851836 275252777754 550505555508