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55705217041 = 1719117155903
BaseRepresentation
bin110011111000010010…
…100010100000010001
312022210012012020002201
4303320102202200101
51403041013421131
641331324043201
74011266350405
oct637022424021
9168705166081
1055705217041
1121696163061
12a967693501
135339a464b6
1429a6327105
1516b069e761
hexcf84a2811

55705217041 has 8 divisors (see below), whose sum is σ = 59290804224. Its totient is φ = 52153942080.

The previous prime is 55705217027. The next prime is 55705217047. The reversal of 55705217041 is 14071250755.

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 55705217041 - 215 = 55705184273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55705217047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8574705 + ... + 8581198.

It is an arithmetic number, because the mean of its divisors is an integer number (7411350528).

Almost surely, 255705217041 is an apocalyptic number.

It is an amenable number.

55705217041 is a deficient number, since it is larger than the sum of its proper divisors (3585587183).

55705217041 is a wasteful number, since it uses less digits than its factorization.

55705217041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17156111.

The product of its (nonzero) digits is 49000, while the sum is 37.

Adding to 55705217041 its reverse (14071250755), we get a palindrome (69776467796).

The spelling of 55705217041 in words is "fifty-five billion, seven hundred five million, two hundred seventeen thousand, forty-one".

Divisors: 1 17 191 3247 17155903 291650351 3276777473 55705217041