54201709 has 2 divisors, whose sum is σ = 54201710. Its totient is φ = 54201708.

The previous prime is 54201689. The next prime is 54201769. The reversal of 54201709 is 90710245.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29975625 + 24226084 = 5475^2 + 4922^2 .

It is a cyclic number.

It is not a de Polignac number, because 54201709 - 2⁵ = 54201677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54201769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27100854 + 27100855.

It is an arithmetic number, because the mean of its divisors is an integer number (27100855).

Almost surely, 2^54201709 is an apocalyptic number.

It is an amenable number.

54201709 is a deficient number, since it is larger than the sum of its proper divisors (1).

54201709 is an equidigital number, since it uses as much as digits as its factorization.

54201709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 54201709 is about 7362.1809947868. The cubic root of 54201709 is about 378.4463550410.

The spelling of 54201709 in words is "fifty-four million, two hundred one thousand, seven hundred nine".