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55055000506 = 21119952124137
BaseRepresentation
bin110011010001100010…
…001010001110111010
312021002212200210200211
4303101202022032322
51400223040004011
641143015421334
73656212532362
oct632142121672
9167085623624
1055055000506
1121392126820
12a80598484a
135265117a9c
142943c2b9a2
151673562b21
hexcd188a3ba

55055000506 has 32 divisors (see below), whose sum is σ = 90720259200. Its totient is φ = 24850425600.

The previous prime is 55055000491. The next prime is 55055000509. The reversal of 55055000506 is 60500055055.

It is not an unprimeable number, because it can be changed into a prime (55055000509) by changing a digit.

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, 2268870 + ... + 2293006.

It is an arithmetic number, because the mean of its divisors is an integer number (2835008100).

Almost surely, 255055000506 is an apocalyptic number.

55055000506 is a deficient number, since it is larger than the sum of its proper divisors (35665258694).

55055000506 is a wasteful number, since it uses less digits than its factorization.

55055000506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24870.

The product of its (nonzero) digits is 18750, while the sum is 31.

The spelling of 55055000506 in words is "fifty-five billion, fifty-five million, five hundred six", and thus it is an aban number.

Divisors: 1 2 11 22 199 398 521 1042 2189 4378 5731 11462 24137 48274 103679 207358 265507 531014 1140469 2280938 4803263 9606526 12575377 25150754 52835893 105671786 138329147 276658294 2502500023 5005000046 27527500253 55055000506