54456919423 has 2 divisors, whose sum is σ = 54456919424. Its totient is φ = 54456919422.

The previous prime is 54456919367. The next prime is 54456919453. The reversal of 54456919423 is 32491965445.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54456919423 - 2⁹ = 54456918911 is a prime.

It is a super-2 number, since 2×54456919423² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54456919453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27228459711 + 27228459712.

It is an arithmetic number, because the mean of its divisors is an integer number (27228459712).

Almost surely, 2^54456919423 is an apocalyptic number.

54456919423 is a deficient number, since it is larger than the sum of its proper divisors (1).

54456919423 is an equidigital number, since it uses as much as digits as its factorization.

54456919423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4665600, while the sum is 52.

The spelling of 54456919423 in words is "fifty-four billion, four hundred fifty-six million, nine hundred nineteen thousand, four hundred twenty-three".