55405532744 has 8 divisors (see below), whose sum is σ = 103885373910. Its totient is φ = 27702766368.

The previous prime is 55405532729. The next prime is 55405532789. The reversal of 55405532744 is 44723550455.

55405532744 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 52286310244 + 3119222500 = 228662^2 + 55850^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 55405532695 and 55405532704.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3462845789 + ... + 3462845804.

Almost surely, 2^55405532744 is an apocalyptic number.

It is an amenable number.

55405532744 is a deficient number, since it is larger than the sum of its proper divisors (48479841166).

55405532744 is a wasteful number, since it uses less digits than its factorization.

55405532744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6925691599 (or 6925691595 counting only the distinct ones).

The product of its (nonzero) digits is 1680000, while the sum is 44.

The spelling of 55405532744 in words is "fifty-five billion, four hundred five million, five hundred thirty-two thousand, seven hundred forty-four".