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54443005 = 5292391571
BaseRepresentation
bin1100111110101…
…1101111111101
310210102222202121
43033223233331
5102414134010
65222522541
71230520651
oct317535775
9123388677
1054443005
1128805921
1216296451
13b3827c6
147332a61
154ba63da
hex33ebbfd

54443005 has 16 divisors (see below), whose sum is σ = 67910400. Its totient is φ = 41849920.

The previous prime is 54443003. The next prime is 54443009. The reversal of 54443005 is 50034445.

It is not a de Polignac number, because 54443005 - 21 = 54443003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54443003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33870 + ... + 35440.

It is an arithmetic number, because the mean of its divisors is an integer number (4244400).

Almost surely, 254443005 is an apocalyptic number.

It is an amenable number.

54443005 is a deficient number, since it is larger than the sum of its proper divisors (13467395).

54443005 is a wasteful number, since it uses less digits than its factorization.

54443005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1844.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 54443005 is about 7378.5503318741. The cubic root of 54443005 is about 379.0071148266.

The spelling of 54443005 in words is "fifty-four million, four hundred forty-three thousand, five".

Divisors: 1 5 29 145 239 1195 1571 6931 7855 34655 45559 227795 375469 1877345 10888601 54443005