54148783691 has 2 divisors, whose sum is σ = 54148783692. Its totient is φ = 54148783690.

The previous prime is 54148783649. The next prime is 54148783697. The reversal of 54148783691 is 19638784145.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54148783691 - 2¹⁴ = 54148767307 is a prime.

It is not a weakly prime, because it can be changed into another prime (54148783697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27074391845 + 27074391846.

It is an arithmetic number, because the mean of its divisors is an integer number (27074391846).

Almost surely, 2^54148783691 is an apocalyptic number.

54148783691 is a deficient number, since it is larger than the sum of its proper divisors (1).

54148783691 is an equidigital number, since it uses as much as digits as its factorization.

54148783691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5806080, while the sum is 56.

The spelling of 54148783691 in words is "fifty-four billion, one hundred forty-eight million, seven hundred eighty-three thousand, six hundred ninety-one".