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54488445 = 3511330233
BaseRepresentation
bin1100111111011…
…0110101111101
310210112022002120
43033312311331
5102422112240
65223513153
71231100304
oct317666575
9123468076
1054488445
1128836a80
12162b87b9
13b39a3ab
14734543b
154bb4ad0
hex33f6d7d

54488445 has 16 divisors (see below), whose sum is σ = 95107392. Its totient is φ = 26418560.

The previous prime is 54488437. The next prime is 54488459.

54488445 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 54488445 - 23 = 54488437 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 54488397 and 54488406.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 164952 + ... + 165281.

It is an arithmetic number, because the mean of its divisors is an integer number (5944212).

Almost surely, 254488445 is an apocalyptic number.

54488445 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54488445 is a deficient number, since it is larger than the sum of its proper divisors (40618947).

54488445 is a wasteful number, since it uses less digits than its factorization.

54488445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330252.

The product of its digits is 409600, while the sum is 42.

The square root of 54488445 is about 7381.6288852800. The cubic root of 54488445 is about 379.1125296186.

The spelling of 54488445 in words is "fifty-four million, four hundred eighty-eight thousand, four hundred forty-five".

Divisors: 1 3 5 11 15 33 55 165 330233 990699 1651165 3632563 4953495 10897689 18162815 54488445