54190709 has 2 divisors, whose sum is σ = 54190710. Its totient is φ = 54190708.

The previous prime is 54190687. The next prime is 54190723. The reversal of 54190709 is 90709145.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33895684 + 20295025 = 5822^2 + 4505^2 .

It is a cyclic number.

It is not a de Polignac number, because 54190709 - 2⁸ = 54190453 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 (54190769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27095354 + 27095355.

It is an arithmetic number, because the mean of its divisors is an integer number (27095355).

Almost surely, 2^54190709 is an apocalyptic number.

It is an amenable number.

54190709 is a deficient number, since it is larger than the sum of its proper divisors (1).

54190709 is an equidigital number, since it uses as much as digits as its factorization.

54190709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 54190709 is about 7361.4338956483. The cubic root of 54190709 is about 378.4207519643.

The spelling of 54190709 in words is "fifty-four million, one hundred ninety thousand, seven hundred nine".