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54545225405 = 5112513951121
BaseRepresentation
bin110010110011001001…
…100001011010111101
312012210100110112201112
4302303021201122331
51343202034203110
641020245251405
73640452523526
oct626311413275
9165710415645
1054545225405
11211503a3190
12a6a3103b65
1351b361c608
1428d624d84d
151643918405
hexcb32616bd

54545225405 has 16 divisors (see below), whose sum is σ = 71689157568. Its totient is φ = 39511200000.

The previous prime is 54545225393. The next prime is 54545225411. The reversal of 54545225405 is 50452254545.

It is not a de Polignac number, because 54545225405 - 28 = 54545225149 is a prime.

It is a super-2 number, since 2×545452254052 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1961756 + ... + 1989365.

It is an arithmetic number, because the mean of its divisors is an integer number (4480572348).

Almost surely, 254545225405 is an apocalyptic number.

54545225405 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54545225405 is a deficient number, since it is larger than the sum of its proper divisors (17143932163).

54545225405 is a wasteful number, since it uses less digits than its factorization.

54545225405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3951388.

The product of its (nonzero) digits is 800000, while the sum is 41.

The spelling of 54545225405 in words is "fifty-four billion, five hundred forty-five million, two hundred twenty-five thousand, four hundred five".

Divisors: 1 5 11 55 251 1255 2761 13805 3951121 19755605 43462331 217311655 991731371 4958656855 10909045081 54545225405