54366397 has 2 divisors, whose sum is σ = 54366398. Its totient is φ = 54366396.

The previous prime is 54366359. The next prime is 54366401. The reversal of 54366397 is 79366345.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43217476 + 11148921 = 6574^2 + 3339^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54366397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54366337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27183198 + 27183199.

It is an arithmetic number, because the mean of its divisors is an integer number (27183199).

Almost surely, 2^54366397 is an apocalyptic number.

It is an amenable number.

54366397 is a deficient number, since it is larger than the sum of its proper divisors (1).

54366397 is an equidigital number, since it uses as much as digits as its factorization.

54366397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 408240, while the sum is 43.

The square root of 54366397 is about 7373.3572407690. The cubic root of 54366397 is about 378.8292615144.

The spelling of 54366397 in words is "fifty-four million, three hundred sixty-six thousand, three hundred ninety-seven".