54967391 has 2 divisors, whose sum is σ = 54967392. Its totient is φ = 54967390.

The previous prime is 54967357. The next prime is 54967397. The reversal of 54967391 is 19376945.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54967391 - 2⁶ = 54967327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54967397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27483695 + 27483696.

It is an arithmetic number, because the mean of its divisors is an integer number (27483696).

Almost surely, 2^54967391 is an apocalyptic number.

54967391 is a deficient number, since it is larger than the sum of its proper divisors (1).

54967391 is an equidigital number, since it uses as much as digits as its factorization.

54967391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 204120, while the sum is 44.

The square root of 54967391 is about 7413.9996628001. Note that the first 3 decimals coincide. The cubic root of 54967391 is about 380.2200733531.

The spelling of 54967391 in words is "fifty-four million, nine hundred sixty-seven thousand, three hundred ninety-one".