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54909995955 = 353660666397
BaseRepresentation
bin110011001000111001…
…000000101110110011
312020201202211210211220
4303020321000232303
51344423424332310
641120355440123
73652502156523
oct631071005663
9166652753756
1054909995955
1121318296751
12a7852b6043
135241077889
14292c883683
15166596d670
hexcc8e40bb3

54909995955 has 8 divisors (see below), whose sum is σ = 87855993552. Its totient is φ = 29285331168.

The previous prime is 54909995911. The next prime is 54909995969. The reversal of 54909995955 is 55959990945.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54909995955 - 29 = 54909995443 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54909995955.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1830333184 + ... + 1830333213.

It is an arithmetic number, because the mean of its divisors is an integer number (10981999194).

Almost surely, 254909995955 is an apocalyptic number.

54909995955 is a deficient number, since it is larger than the sum of its proper divisors (32945997597).

54909995955 is a wasteful number, since it uses less digits than its factorization.

54909995955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3660666405.

The product of its (nonzero) digits is 147622500, while the sum is 69.

The spelling of 54909995955 in words is "fifty-four billion, nine hundred nine million, nine hundred ninety-five thousand, nine hundred fifty-five".

Divisors: 1 3 5 15 3660666397 10981999191 18303331985 54909995955