54403709 has 2 divisors, whose sum is σ = 54403710. Its totient is φ = 54403708.

The previous prime is 54403703. The next prime is 54403787. The reversal of 54403709 is 90730445.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50098084 + 4305625 = 7078^2 + 2075^2 .

It is a cyclic number.

It is not a de Polignac number, because 54403709 - 2⁴ = 54403693 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54403703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27201854 + 27201855.

It is an arithmetic number, because the mean of its divisors is an integer number (27201855).

Almost surely, 2^54403709 is an apocalyptic number.

It is an amenable number.

54403709 is a deficient number, since it is larger than the sum of its proper divisors (1).

54403709 is an equidigital number, since it uses as much as digits as its factorization.

54403709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 54403709 is about 7375.8869975075. The cubic root of 54403709 is about 378.9159059970.

The spelling of 54403709 in words is "fifty-four million, four hundred three thousand, seven hundred nine".