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54909549954 = 23274310134653
BaseRepresentation
bin110011001000110111…
…010011110110000010
312020201202000011001100
4303020313103312002
51344423321044304
641120342115230
73652465321320
oct631067236602
9166652004040
1054909549954
1121318011656
12a78511bb16
135240c4c87c
14292c7a8d10
1516658d1439
hexcc8dd3d82

54909549954 has 48 divisors (see below), whose sum is σ = 139128530112. Its totient is φ = 15323593824.

The previous prime is 54909549917. The next prime is 54909550009. The reversal of 54909549954 is 45994590945.

54909549954 is a `hidden beast` number, since 5 + 4 + 9 + 0 + 95 + 499 + 54 = 666.

54909549954 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 54909549891 and 54909549900.

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, 5061909 + ... + 5072744.

It is an arithmetic number, because the mean of its divisors is an integer number (2898511044).

Almost surely, 254909549954 is an apocalyptic number.

54909549954 is an abundant number, since it is smaller than the sum of its proper divisors (84218980158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54909549954 is a wasteful number, since it uses less digits than its factorization.

54909549954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10134711 (or 10134708 counting only the distinct ones).

The product of its (nonzero) digits is 52488000, while the sum is 63.

The spelling of 54909549954 in words is "fifty-four billion, nine hundred nine million, five hundred forty-nine thousand, nine hundred fifty-four".

Divisors: 1 2 3 6 7 9 14 18 21 42 43 63 86 126 129 258 301 387 602 774 903 1806 2709 5418 10134653 20269306 30403959 60807918 70942571 91211877 141885142 182423754 212827713 425655426 435790079 638483139 871580158 1276966278 1307370237 2614740474 3050530553 3922110711 6101061106 7844221422 9151591659 18303183318 27454774977 54909549954