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54499445 = 57111310889
BaseRepresentation
bin1100111111100…
…1100001110101
310210112212011222
43033321201311
5102422440240
65224040125
71231144340
oct317714165
9123485158
1054499445
1128844270
1216303045
13b3a23c0
147349457
154bb7eb5
hex33f9875

54499445 has 32 divisors (see below), whose sum is σ = 87816960. Its totient is φ = 31357440.

The previous prime is 54499441. The next prime is 54499451.

54499445 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 54499445 - 22 = 54499441 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 54499396 and 54499405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54499441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 440 + ... + 10449.

It is an arithmetic number, because the mean of its divisors is an integer number (2744280).

Almost surely, 254499445 is an apocalyptic number.

54499445 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54499445 is a deficient number, since it is larger than the sum of its proper divisors (33317515).

54499445 is a wasteful number, since it uses less digits than its factorization.

54499445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10925.

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

The square root of 54499445 is about 7382.3739406779. The cubic root of 54499445 is about 379.1380393527.

The spelling of 54499445 in words is "fifty-four million, four hundred ninety-nine thousand, four hundred forty-five".

Divisors: 1 5 7 11 13 35 55 65 77 91 143 385 455 715 1001 5005 10889 54445 76223 119779 141557 381115 598895 707785 838453 990899 1557127 4192265 4954495 7785635 10899889 54499445