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55255240103 = 7294146114401
BaseRepresentation
bin110011011101011110…
…000000110110100111
312021121211111000210012
4303131132000312213
51401130320140403
641214531320435
73664163535320
oct633536006647
9167554430705
1055255240103
1121485162798
12a860a5011b
13529775715b
142962673447
151685e17ed8
hexcdd780da7

55255240103 has 32 divisors (see below), whose sum is σ = 67069537920. Its totient is φ = 44513280000.

The previous prime is 55255240093. The next prime is 55255240121. The reversal of 55255240103 is 30104255255.

It is not a de Polignac number, because 55255240103 - 232 = 50960272807 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55255240103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55255240123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3829703 + ... + 3844103.

It is an arithmetic number, because the mean of its divisors is an integer number (2095923060).

Almost surely, 255255240103 is an apocalyptic number.

55255240103 is a deficient number, since it is larger than the sum of its proper divisors (11814297817).

55255240103 is a wasteful number, since it uses less digits than its factorization.

55255240103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14939.

The product of its (nonzero) digits is 30000, while the sum is 32.

Adding to 55255240103 its reverse (30104255255), we get a palindrome (85359495358).

The spelling of 55255240103 in words is "fifty-five billion, two hundred fifty-five million, two hundred forty thousand, one hundred three".

Divisors: 1 7 29 41 203 287 461 1189 3227 8323 13369 14401 18901 93583 100807 132307 417629 548129 590441 2923403 3836903 4133087 6638861 17122789 46472027 119859523 192526969 272193301 1347688783 1905353107 7893605729 55255240103