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54944945 = 5111795581
BaseRepresentation
bin1101000110011…
…0010010110001
310211101111021222
43101212102301
5103031214240
65241354425
71235011226
oct321462261
9124344258
1054944945
1129018a50
1216498a15
13b4ca103
14742394d
154c54eb5
hex34664b1

54944945 has 16 divisors (see below), whose sum is σ = 72342720. Its totient is φ = 39729600.

The previous prime is 54944917. The next prime is 54944987.

54944945 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 54944945 - 26 = 54944881 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 54944896 and 54944905.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7055 + ... + 12635.

It is an arithmetic number, because the mean of its divisors is an integer number (4521420).

Almost surely, 254944945 is an apocalyptic number.

54944945 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54944945 is a deficient number, since it is larger than the sum of its proper divisors (17397775).

54944945 is a wasteful number, since it uses less digits than its factorization.

54944945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5776.

The product of its digits is 518400, while the sum is 44.

The square root of 54944945 is about 7412.4857504079. The cubic root of 54944945 is about 380.1683118659.

The spelling of 54944945 in words is "fifty-four million, nine hundred forty-four thousand, nine hundred forty-five".

Divisors: 1 5 11 55 179 895 1969 5581 9845 27905 61391 306955 998999 4994995 10988989 54944945