54642844824641 has 2 divisors, whose sum is σ = 54642844824642. Its totient is φ = 54642844824640.

The previous prime is 54642844824619. The next prime is 54642844824647. The reversal of 54642844824641 is 14642844824645.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46949849184016 + 7692995640625 = 6851996^2 + 2773625^2 .

It is a cyclic number.

It is not a de Polignac number, because 54642844824641 - 2⁴² = 50244798313537 is a prime.

It is not a weakly prime, because it can be changed into another prime (54642844824647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27321422412320 + 27321422412321.

It is an arithmetic number, because the mean of its divisors is an integer number (27321422412321).

Almost surely, 2^{54642844824641} is an apocalyptic number.

It is an amenable number.

54642844824641 is a deficient number, since it is larger than the sum of its proper divisors (1).

54642844824641 is an equidigital number, since it uses as much as digits as its factorization.

54642844824641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 188743680, while the sum is 62.

The spelling of 54642844824641 in words is "fifty-four trillion, six hundred forty-two billion, eight hundred forty-four million, eight hundred twenty-four thousand, six hundred forty-one".