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55007549549 = 712081372299
BaseRepresentation
bin110011001110101101…
…001001100001101101
312020222120102001012222
4303032231021201231
51400123413041144
641134202405125
73655065312401
oct631655114155
9166876361188
1055007549549
1121368367157
12a7b1b007a5
1352583429b4
14293b7d9101
15166e2dd2ee
hexcceb4986d

55007549549 has 8 divisors (see below), whose sum is σ = 55809259200. Its totient is φ = 54206588800.

The previous prime is 55007549533. The next prime is 55007549567. The reversal of 55007549549 is 94594570055.

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 55007549549 - 24 = 55007549533 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 55007549549.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55007549579) 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, 38399 + ... + 333900.

It is an arithmetic number, because the mean of its divisors is an integer number (6976157400).

Almost surely, 255007549549 is an apocalyptic number.

It is an amenable number.

55007549549 is a deficient number, since it is larger than the sum of its proper divisors (801709651).

55007549549 is a wasteful number, since it uses less digits than its factorization.

55007549549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374451.

The product of its (nonzero) digits is 5670000, while the sum is 53.

The spelling of 55007549549 in words is "fifty-five billion, seven million, five hundred forty-nine thousand, five hundred forty-nine".

Divisors: 1 71 2081 147751 372299 26433229 774754219 55007549549