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50056005055 = 571991371821
BaseRepresentation
bin101110100111100100…
…100000010110111111
311210012111012112010011
4232213210200112333
51310003314130210
634555001524051
73421302010540
oct564744402677
9153174175104
1050056005055
111a257345521
12984b7a3627
13494954b504
1425cbd4c4c7
15147e758d8a
hexba79205bf

50056005055 has 16 divisors (see below), whose sum is σ = 68652638784. Its totient is φ = 34321916160.

The previous prime is 50056005053. The next prime is 50056005059. The reversal of 50056005055 is 55050065005.

It is not a de Polignac number, because 50056005055 - 21 = 50056005053 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 (50056005053) 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, 661045 + ... + 732865.

It is an arithmetic number, because the mean of its divisors is an integer number (4290789924).

Almost surely, 250056005055 is an apocalyptic number.

50056005055 is a deficient number, since it is larger than the sum of its proper divisors (18596633729).

50056005055 is a wasteful number, since it uses less digits than its factorization.

50056005055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91746.

The product of its (nonzero) digits is 18750, while the sum is 31.

The spelling of 50056005055 in words is "fifty billion, fifty-six million, five thousand, fifty-five".

Divisors: 1 5 7 35 19913 71821 99565 139391 359105 502747 696955 2513735 1430171573 7150857865 10011201011 50056005055