54120005244091 has 2 divisors, whose sum is σ = 54120005244092. Its totient is φ = 54120005244090.

The previous prime is 54120005244079. The next prime is 54120005244229. The reversal of 54120005244091 is 19044250002145.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54120005244091 - 2²⁵ = 54119971689659 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54120005244091.

It is not a weakly prime, because it can be changed into another prime (54120005244491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27060002622045 + 27060002622046.

It is an arithmetic number, because the mean of its divisors is an integer number (27060002622046).

Almost surely, 2^{54120005244091} is an apocalyptic number.

54120005244091 is a deficient number, since it is larger than the sum of its proper divisors (1).

54120005244091 is an equidigital number, since it uses as much as digits as its factorization.

54120005244091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 54120005244091 in words is "fifty-four trillion, one hundred twenty billion, five million, two hundred forty-four thousand, ninety-one".