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55493118229 = 293595330239
BaseRepresentation
bin110011101011101001…
…011100100100010101
312022020102002111020011
4303223221130210111
51402122214240404
641254310040221
74003112502463
oct635351344425
9168212074204
1055493118229
112159746708a
12a908649071
135304b14243
1429860b5833
15169bc55604
hexceba5c915

55493118229 has 8 divisors (see below), whose sum is σ = 57566592000. Its totient is φ = 53430305712.

The previous prime is 55493118203. The next prime is 55493118269. The reversal of 55493118229 is 92281139455.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55493118229 - 27 = 55493118101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55493118269) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2654709 + ... + 2675530.

It is an arithmetic number, because the mean of its divisors is an integer number (7195824000).

Almost surely, 255493118229 is an apocalyptic number.

It is an amenable number.

55493118229 is a deficient number, since it is larger than the sum of its proper divisors (2073473771).

55493118229 is a wasteful number, since it uses less digits than its factorization.

55493118229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5330627.

The product of its digits is 777600, while the sum is 49.

The spelling of 55493118229 in words is "fifty-five billion, four hundred ninety-three million, one hundred eighteen thousand, two hundred twenty-nine".

Divisors: 1 29 359 10411 5330239 154576931 1913555801 55493118229