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55050510011501 = 894093371448631
BaseRepresentation
bin11001000010001011100100…
…00110000000110001101101
321012220202222200202211102202
430201011302012000301231
524203421421030332001
6313025504414431245
714411160646251104
oct1441056206006155
9235822880684382
1055050510011501
11165a4876812904
1262111a8502525
132494319105bc4
14d8465d32103b
15656ecb8ba96b
hex321172180c6d

55050510011501 has 16 divisors (see below), whose sum is σ = 55821844137600. Its totient is φ = 54282650822400.

The previous prime is 55050510011489. The next prime is 55050510011531. The reversal of 55050510011501 is 10511001505055.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-55050510011501 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55050510011531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122483456 + ... + 122932086.

It is an arithmetic number, because the mean of its divisors is an integer number (3488865258600).

Almost surely, 255050510011501 is an apocalyptic number.

It is an amenable number.

55050510011501 is a deficient number, since it is larger than the sum of its proper divisors (771334126099).

55050510011501 is a wasteful number, since it uses less digits than its factorization.

55050510011501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452500.

The product of its (nonzero) digits is 3125, while the sum is 29.

Adding to 55050510011501 its reverse (10511001505055), we get a palindrome (65561511516556).

The spelling of 55050510011501 in words is "fifty-five trillion, fifty billion, five hundred ten million, eleven thousand, five hundred one".

Divisors: 1 89 409 3371 36401 300019 448631 1378739 39928159 122707771 183490079 1512335101 16330617031 134597823989 618545056309 55050510011501