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55252205041 = 117170745461
BaseRepresentation
bin110011011101010010…
…011011110111110001
312021121121202211110111
4303131102123313301
51401124031030131
641214342301321
73664125664615
oct633522336761
9167547684414
1055252205041
112148347a480
12a85ba27841
135296c33867
1429620c3345
151685a18ab1
hexcdd49bdf1

55252205041 has 8 divisors (see below), whose sum is σ = 61124079168. Its totient is φ = 49521822000.

The previous prime is 55252205023. The next prime is 55252205051. The reversal of 55252205041 is 14050225255.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-55252205041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55252204994 and 55252205012.

It is not an unprimeable number, because it can be changed into a prime (55252205051) 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, 35371950 + ... + 35373511.

It is an arithmetic number, because the mean of its divisors is an integer number (7640509896).

Almost surely, 255252205041 is an apocalyptic number.

It is an amenable number.

55252205041 is a deficient number, since it is larger than the sum of its proper divisors (5871874127).

55252205041 is a wasteful number, since it uses less digits than its factorization.

55252205041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70745543.

The product of its (nonzero) digits is 20000, while the sum is 31.

The spelling of 55252205041 in words is "fifty-five billion, two hundred fifty-two million, two hundred five thousand, forty-one".

Divisors: 1 11 71 781 70745461 778200071 5022927731 55252205041