54136723 has 2 divisors, whose sum is σ = 54136724. Its totient is φ = 54136722.

The previous prime is 54136669. The next prime is 54136729. The reversal of 54136723 is 32763145.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54136723 - 2²¹ = 52039571 is a prime.

It is not a weakly prime, because it can be changed into another prime (54136729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27068361 + 27068362.

It is an arithmetic number, because the mean of its divisors is an integer number (27068362).

Almost surely, 2^54136723 is an apocalyptic number.

54136723 is a deficient number, since it is larger than the sum of its proper divisors (1).

54136723 is an equidigital number, since it uses as much as digits as its factorization.

54136723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 31.

The square root of 54136723 is about 7357.7661691576. The cubic root of 54136723 is about 378.2950464640.

Adding to 54136723 its reverse (32763145), we get a palindrome (86899868).

The spelling of 54136723 in words is "fifty-four million, one hundred thirty-six thousand, seven hundred twenty-three".