54644854371451 has 2 divisors, whose sum is σ = 54644854371452. Its totient is φ = 54644854371450.

The previous prime is 54644854371421. The next prime is 54644854371469. The reversal of 54644854371451 is 15417345844645.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54644854371451 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54644854371451.

It is not a weakly prime, because it can be changed into another prime (54644854371421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27322427185725 + 27322427185726.

It is an arithmetic number, because the mean of its divisors is an integer number (27322427185726).

Almost surely, 2^{54644854371451} is an apocalyptic number.

54644854371451 is a deficient number, since it is larger than the sum of its proper divisors (1).

54644854371451 is an equidigital number, since it uses as much as digits as its factorization.

54644854371451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129024000, while the sum is 61.

The spelling of 54644854371451 in words is "fifty-four trillion, six hundred forty-four billion, eight hundred fifty-four million, three hundred seventy-one thousand, four hundred fifty-one".