54196591 has 2 divisors, whose sum is σ = 54196592. Its totient is φ = 54196590.

The previous prime is 54196573. The next prime is 54196603. The reversal of 54196591 is 19569145.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54196591 - 2¹⁹ = 53672303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54196991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27098295 + 27098296.

It is an arithmetic number, because the mean of its divisors is an integer number (27098296).

Almost surely, 2^54196591 is an apocalyptic number.

54196591 is a deficient number, since it is larger than the sum of its proper divisors (1).

54196591 is an equidigital number, since it uses as much as digits as its factorization.

54196591 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48600, while the sum is 40.

The square root of 54196591 is about 7361.8333993646. The cubic root of 54196591 is about 378.4344430586.

The spelling of 54196591 in words is "fifty-four million, one hundred ninety-six thousand, five hundred ninety-one".