54313591 has 2 divisors, whose sum is σ = 54313592. Its totient is φ = 54313590.

The previous prime is 54313583. The next prime is 54313619. The reversal of 54313591 is 19531345.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54313591 - 2³ = 54313583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54319591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27156795 + 27156796.

It is an arithmetic number, because the mean of its divisors is an integer number (27156796).

Almost surely, 2^54313591 is an apocalyptic number.

54313591 is a deficient number, since it is larger than the sum of its proper divisors (1).

54313591 is an equidigital number, since it uses as much as digits as its factorization.

54313591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8100, while the sum is 31.

The square root of 54313591 is about 7369.7755054004. The cubic root of 54313591 is about 378.7065696842.

The spelling of 54313591 in words is "fifty-four million, three hundred thirteen thousand, five hundred ninety-one".