54409451 has 2 divisors, whose sum is σ = 54409452. Its totient is φ = 54409450.

The previous prime is 54409447. The next prime is 54409471. The reversal of 54409451 is 15490445.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54409451 - 2² = 54409447 is a prime.

It is not a weakly prime, because it can be changed into another prime (54409471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27204725 + 27204726.

It is an arithmetic number, because the mean of its divisors is an integer number (27204726).

Almost surely, 2^54409451 is an apocalyptic number.

54409451 is a deficient number, since it is larger than the sum of its proper divisors (1).

54409451 is an equidigital number, since it uses as much as digits as its factorization.

54409451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 54409451 is about 7376.2762285587. The cubic root of 54409451 is about 378.9292363295.

Adding to 54409451 its reverse (15490445), we get a palindrome (69899896).

The spelling of 54409451 in words is "fifty-four million, four hundred nine thousand, four hundred fifty-one".