54473609 has 2 divisors, whose sum is σ = 54473610. Its totient is φ = 54473608.

The previous prime is 54473567. The next prime is 54473633. The reversal of 54473609 is 90637445.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44689225 + 9784384 = 6685^2 + 3128^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54473609 is a prime.

It is a super-3 number, since 3×54473609³ (a number of 24 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (54473669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27236804 + 27236805.

It is an arithmetic number, because the mean of its divisors is an integer number (27236805).

Almost surely, 2^54473609 is an apocalyptic number.

It is an amenable number.

54473609 is a deficient number, since it is larger than the sum of its proper divisors (1).

54473609 is an equidigital number, since it uses as much as digits as its factorization.

54473609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 54473609 is about 7380.6238896180. The cubic root of 54473609 is about 379.0781185060.

The spelling of 54473609 in words is "fifty-four million, four hundred seventy-three thousand, six hundred nine".