54401166133 has 2 divisors, whose sum is σ = 54401166134. Its totient is φ = 54401166132.

The previous prime is 54401166121. The next prime is 54401166143. The reversal of 54401166133 is 33166110445.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30933070884 + 23468095249 = 175878^2 + 153193^2 .

It is a cyclic number.

It is not a de Polignac number, because 54401166133 - 2²¹ = 54399068981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54401166143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27200583066 + 27200583067.

It is an arithmetic number, because the mean of its divisors is an integer number (27200583067).

Almost surely, 2^54401166133 is an apocalyptic number.

It is an amenable number.

54401166133 is a deficient number, since it is larger than the sum of its proper divisors (1).

54401166133 is an equidigital number, since it uses as much as digits as its factorization.

54401166133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 34.

Adding to 54401166133 its reverse (33166110445), we get a palindrome (87567276578).

The spelling of 54401166133 in words is "fifty-four billion, four hundred one million, one hundred sixty-six thousand, one hundred thirty-three".