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54497161 is a prime number
BaseRepresentation
bin1100111111100…
…0111110001001
310210112202001101
43033320332021
5102422402121
65224021401
71231134565
oct317707611
9123482041
1054497161
1128842584
1216301861
13b3a1354
1473486a5
154bb7491
hex33f8f89

54497161 has 2 divisors, whose sum is σ = 54497162. Its totient is φ = 54497160.

The previous prime is 54497147. The next prime is 54497167. The reversal of 54497161 is 16179445.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54464400 + 32761 = 7380^2 + 181^2 .

It is a cyclic number.

It is not a de Polignac number, because 54497161 - 25 = 54497129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54497161.

It is not a weakly prime, because it can be changed into another prime (54497167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27248580 + 27248581.

It is an arithmetic number, because the mean of its divisors is an integer number (27248581).

Almost surely, 254497161 is an apocalyptic number.

It is an amenable number.

54497161 is a deficient number, since it is larger than the sum of its proper divisors (1).

54497161 is an equidigital number, since it uses as much as digits as its factorization.

54497161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 37.

The square root of 54497161 is about 7382.2192462701. The cubic root of 54497161 is about 379.1327428867.

The spelling of 54497161 in words is "fifty-four million, four hundred ninety-seven thousand, one hundred sixty-one".