54250591 has 2 divisors, whose sum is σ = 54250592. Its totient is φ = 54250590.

The previous prime is 54250577. The next prime is 54250601. The reversal of 54250591 is 19505245.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54250591 - 2¹³ = 54242399 is a prime.

It is a Chen prime.

It is the 7366-th Hogben number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54250501) by changing a digit.

It is a nontrivial repunit in base 7365.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27125295 + 27125296.

It is an arithmetic number, because the mean of its divisors is an integer number (27125296).

Almost surely, 2^54250591 is an apocalyptic number.

54250591 is a deficient number, since it is larger than the sum of its proper divisors (1).

54250591 is an equidigital number, since it uses as much as digits as its factorization.

54250591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 54250591 is about 7365.5000509130. The cubic root of 54250591 is about 378.5600885786.

The spelling of 54250591 in words is "fifty-four million, two hundred fifty thousand, five hundred ninety-one".