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54520073 is a prime number
BaseRepresentation
bin1100111111111…
…0100100001001
310210120220110222
43033332210021
5102424120243
65224315425
71231261436
oct317764411
9123526428
1054520073
1128858813
1216312b75
13b3ab8ca
147352b8d
154bbe168
hex33fe909

54520073 has 2 divisors, whose sum is σ = 54520074. Its totient is φ = 54520072.

The previous prime is 54520057. The next prime is 54520157. The reversal of 54520073 is 37002545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53465344 + 1054729 = 7312^2 + 1027^2 .

It is a cyclic number.

It is not a de Polignac number, because 54520073 - 24 = 54520057 is a prime.

It is not a weakly prime, because it can be changed into another prime (54520013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27260036 + 27260037.

It is an arithmetic number, because the mean of its divisors is an integer number (27260037).

Almost surely, 254520073 is an apocalyptic number.

It is an amenable number.

54520073 is a deficient number, since it is larger than the sum of its proper divisors (1).

54520073 is an equidigital number, since it uses as much as digits as its factorization.

54520073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 54520073 is about 7383.7709200652. The cubic root of 54520073 is about 379.1858678089.

The spelling of 54520073 in words is "fifty-four million, five hundred twenty thousand, seventy-three".