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54909964077 = 318303321359
BaseRepresentation
bin110011001000111000…
…111000111100101101
312020201202210012010020
4303020320320330231
51344423422322302
641120355032353
73652501664553
oct631070707455
9166652705106
1054909964077
1121318274801
12a78529b6b9
135241066207
14292c875bd3
151665963ebc
hexcc8e38f2d

54909964077 has 4 divisors (see below), whose sum is σ = 73213285440. Its totient is φ = 36606642716.

The previous prime is 54909964069. The next prime is 54909964157. The reversal of 54909964077 is 77046990945.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54909964077 - 23 = 54909964069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54909964077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54909962077) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 9151660677 + ... + 9151660682.

It is an arithmetic number, because the mean of its divisors is an integer number (18303321360).

Almost surely, 254909964077 is an apocalyptic number.

It is an amenable number.

54909964077 is a deficient number, since it is larger than the sum of its proper divisors (18303321363).

54909964077 is a wasteful number, since it uses less digits than its factorization.

54909964077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18303321362.

The product of its (nonzero) digits is 17146080, while the sum is 60.

The spelling of 54909964077 in words is "fifty-four billion, nine hundred nine million, nine hundred sixty-four thousand, seventy-seven".

Divisors: 1 3 18303321359 54909964077