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54140441 = 59879043
BaseRepresentation
bin1100111010000…
…1111000011001
310202212121201112
43032201320121
5102324443231
65212230105
71225120565
oct316417031
9122777645
1054140441
1128619573
121616b335
13b2a7b84
1472946a5
154b4692b
hex33a1e19

54140441 has 4 divisors (see below), whose sum is σ = 54155472. Its totient is φ = 54125412.

The previous prime is 54140407. The next prime is 54140473. The reversal of 54140441 is 14404145.

It is a happy number.

54140441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54140441 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54140041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1466 + ... + 10508.

It is an arithmetic number, because the mean of its divisors is an integer number (13538868).

Almost surely, 254140441 is an apocalyptic number.

It is an amenable number.

54140441 is a deficient number, since it is larger than the sum of its proper divisors (15031).

54140441 is an equidigital number, since it uses as much as digits as its factorization.

54140441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15030.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 54140441 is about 7358.0188230257. The cubic root of 54140441 is about 378.3037064438.

Adding to 54140441 its reverse (14404145), we get a palindrome (68544586).

The spelling of 54140441 in words is "fifty-four million, one hundred forty thousand, four hundred forty-one".

Divisors: 1 5987 9043 54140441