54322291 has 2 divisors, whose sum is σ = 54322292. Its totient is φ = 54322290.

The previous prime is 54322283. The next prime is 54322309. The reversal of 54322291 is 19222345.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54322291 - 2³ = 54322283 is a prime.

It is a super-2 number, since 2×54322291² = 5901822598977362, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54322211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27161145 + 27161146.

It is an arithmetic number, because the mean of its divisors is an integer number (27161146).

Almost surely, 2^54322291 is an apocalyptic number.

54322291 is a deficient number, since it is larger than the sum of its proper divisors (1).

54322291 is an equidigital number, since it uses as much as digits as its factorization.

54322291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 28.

The square root of 54322291 is about 7370.3657304099. The cubic root of 54322291 is about 378.7267891246.

The spelling of 54322291 in words is "fifty-four million, three hundred twenty-two thousand, two hundred ninety-one".