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54806828025 = 3521901384407
BaseRepresentation
bin110011000010101111…
…011101001111111001
312020110120201100001110
4303002233131033321
51344221021444100
641102232310533
73650110231425
oct630257351771
9166416640043
1054806828025
11212750310a4
12a756842449
135225895171
14291cca9b85
15165b890250
hexcc2bdd3f9

54806828025 has 24 divisors (see below), whose sum is σ = 90661857984. Its totient is φ = 29214856000.

The previous prime is 54806827993. The next prime is 54806828047. The reversal of 54806828025 is 52082860845.

It is a happy number.

It is not a de Polignac number, because 54806828025 - 25 = 54806827993 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49629 + ... + 334778.

It is an arithmetic number, because the mean of its divisors is an integer number (3777577416).

Almost surely, 254806828025 is an apocalyptic number.

It is an amenable number.

54806828025 is a deficient number, since it is larger than the sum of its proper divisors (35855029959).

54806828025 is a wasteful number, since it uses less digits than its factorization.

54806828025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386321 (or 386316 counting only the distinct ones).

The product of its (nonzero) digits is 1228800, while the sum is 48.

The spelling of 54806828025 in words is "fifty-four billion, eight hundred six million, eight hundred twenty-eight thousand, twenty-five".

Divisors: 1 3 5 15 25 75 1901 5703 9505 28515 47525 142575 384407 1153221 1922035 5766105 9610175 28830525 730757707 2192273121 3653788535 10961365605 18268942675 54806828025