54196309 has 2 divisors, whose sum is σ = 54196310. Its totient is φ = 54196308.

The previous prime is 54196271. The next prime is 54196313. The reversal of 54196309 is 90369145.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46922500 + 7273809 = 6850^2 + 2697^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54196309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54196319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27098154 + 27098155.

It is an arithmetic number, because the mean of its divisors is an integer number (27098155).

Almost surely, 2^54196309 is an apocalyptic number.

It is an amenable number.

54196309 is a deficient number, since it is larger than the sum of its proper divisors (1).

54196309 is an equidigital number, since it uses as much as digits as its factorization.

54196309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 54196309 is about 7361.8142465020. The cubic root of 54196309 is about 378.4337866908.

The spelling of 54196309 in words is "fifty-four million, one hundred ninety-six thousand, three hundred nine".