54456400465427 has 2 divisors, whose sum is σ = 54456400465428. Its totient is φ = 54456400465426.

The previous prime is 54456400465417. The next prime is 54456400465447. The reversal of 54456400465427 is 72456400465445.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54456400465427 - 2⁸ = 54456400465171 is a prime.

It is not a weakly prime, because it can be changed into another prime (54456400465417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27228200232713 + 27228200232714.

It is an arithmetic number, because the mean of its divisors is an integer number (27228200232714).

Almost surely, 2^{54456400465427} is an apocalyptic number.

54456400465427 is a deficient number, since it is larger than the sum of its proper divisors (1).

54456400465427 is an equidigital number, since it uses as much as digits as its factorization.

54456400465427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512000, while the sum is 56.

The spelling of 54456400465427 in words is "fifty-four trillion, four hundred fifty-six billion, four hundred million, four hundred sixty-five thousand, four hundred twenty-seven".