54412591 has 2 divisors, whose sum is σ = 54412592. Its totient is φ = 54412590.

The previous prime is 54412583. The next prime is 54412601. The reversal of 54412591 is 19521445.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54412591 - 2³ = 54412583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54412541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27206295 + 27206296.

It is an arithmetic number, because the mean of its divisors is an integer number (27206296).

Almost surely, 2^54412591 is an apocalyptic number.

54412591 is a deficient number, since it is larger than the sum of its proper divisors (1).

54412591 is an equidigital number, since it uses as much as digits as its factorization.

54412591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7200, while the sum is 31.

The square root of 54412591 is about 7376.4890700116. The cubic root of 54412591 is about 378.9365255957.

The spelling of 54412591 in words is "fifty-four million, four hundred twelve thousand, five hundred ninety-one".