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54533545 = 5116171607
BaseRepresentation
bin1101000000000…
…1110110101001
310210121120221221
43100001312221
5102430033140
65224502041
71231345633
oct320016651
9123546857
1054533545
1128867950
121631a921
13b3b4a91
147357a53
154bc314a
hex3401da9

54533545 has 16 divisors (see below), whose sum is σ = 71549568. Its totient is φ = 39571840.

The previous prime is 54533533. The next prime is 54533551.

54533545 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 54533545 - 29 = 54533033 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54533545.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33132 + ... + 34738.

It is an arithmetic number, because the mean of its divisors is an integer number (4471848).

Almost surely, 254533545 is an apocalyptic number.

54533545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54533545 is a deficient number, since it is larger than the sum of its proper divisors (17016023).

54533545 is a wasteful number, since it uses less digits than its factorization.

54533545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2240.

The product of its digits is 90000, while the sum is 34.

The square root of 54533545 is about 7384.6831347052. The cubic root of 54533545 is about 379.2170977213.

It can be divided in two parts, 5453 and 3545, that added together give a palindrome (8998).

The spelling of 54533545 in words is "fifty-four million, five hundred thirty-three thousand, five hundred forty-five".

Divisors: 1 5 11 55 617 1607 3085 6787 8035 17677 33935 88385 991519 4957595 10906709 54533545