54639229899 has 16 divisors (see below), whose sum is σ = 77252402592. Its totient is φ = 34232475648.

The previous prime is 54639229867. The next prime is 54639229901. The reversal of 54639229899 is 99892293645.

It is not a de Polignac number, because 54639229899 - 2⁵ = 54639229867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54639229849) 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 in 15 ways as a sum of consecutive naturals, for example, 761634 + ... + 830279.

It is an arithmetic number, because the mean of its divisors is an integer number (4828275162).

Almost surely, 2^54639229899 is an apocalyptic number.

54639229899 is a deficient number, since it is larger than the sum of its proper divisors (22613172693).

54639229899 is a wasteful number, since it uses less digits than its factorization.

54639229899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592606.

The product of its digits is 75582720, while the sum is 66.

The spelling of 54639229899 in words is "fifty-four billion, six hundred thirty-nine million, two hundred twenty-nine thousand, eight hundred ninety-nine".