54343493 has 2 divisors, whose sum is σ = 54343494. Its totient is φ = 54343492.

The previous prime is 54343469. The next prime is 54343507. The reversal of 54343493 is 39434345.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34833604 + 19509889 = 5902^2 + 4417^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54343493 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 (54343453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27171746 + 27171747.

It is an arithmetic number, because the mean of its divisors is an integer number (27171747).

Almost surely, 2^54343493 is an apocalyptic number.

It is an amenable number.

54343493 is a deficient number, since it is larger than the sum of its proper divisors (1).

54343493 is an equidigital number, since it uses as much as digits as its factorization.

54343493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 35.

The square root of 54343493 is about 7371.8039176310. The cubic root of 54343493 is about 378.7760550938.

The spelling of 54343493 in words is "fifty-four million, three hundred forty-three thousand, four hundred ninety-three".