54406060399 has 2 divisors, whose sum is σ = 54406060400. Its totient is φ = 54406060398.

The previous prime is 54406060351. The next prime is 54406060433. The reversal of 54406060399 is 99306060445.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54406060399 - 2¹⁵ = 54406027631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54406060339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27203030199 + 27203030200.

It is an arithmetic number, because the mean of its divisors is an integer number (27203030200).

Almost surely, 2^54406060399 is an apocalyptic number.

54406060399 is a deficient number, since it is larger than the sum of its proper divisors (1).

54406060399 is an equidigital number, since it uses as much as digits as its factorization.

54406060399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 699840, while the sum is 46.

Adding to 54406060399 its sum of digits (46), we get a palindrome (54406060445).

The spelling of 54406060399 in words is "fifty-four billion, four hundred six million, sixty thousand, three hundred ninety-nine".