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54944861 = 232388907
BaseRepresentation
bin1101000110011…
…0010001011101
310211101111011212
43101212101131
5103031213421
65241354205
71235011046
oct321462135
9124344155
1054944861
1129018984
1216498965
13b4ca06a
1474238cd
154c54e5b
hex346645d

54944861 has 4 divisors (see below), whose sum is σ = 57333792. Its totient is φ = 52555932.

The previous prime is 54944843. The next prime is 54944863. The reversal of 54944861 is 16844945.

54944861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 54944861 - 218 = 54682717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54944863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1194431 + ... + 1194476.

It is an arithmetic number, because the mean of its divisors is an integer number (14333448).

Almost surely, 254944861 is an apocalyptic number.

It is an amenable number.

54944861 is a deficient number, since it is larger than the sum of its proper divisors (2388931).

54944861 is a wasteful number, since it uses less digits than its factorization.

54944861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2388930.

The product of its digits is 138240, while the sum is 41.

The square root of 54944861 is about 7412.4800842903. The cubic root of 54944861 is about 380.1681181316.

The spelling of 54944861 in words is "fifty-four million, nine hundred forty-four thousand, eight hundred sixty-one".

Divisors: 1 23 2388907 54944861