55529340505 has 16 divisors (see below), whose sum is σ = 68941429200. Its totient is φ = 42886368000.

The previous prime is 55529340499. The next prime is 55529340569. The reversal of 55529340505 is 50504392555.

It can be written as a sum of positive squares in 8 ways, for example, as 3265436736 + 52263903769 = 57144^2 + 228613^2 .

It is not a de Polignac number, because 55529340505 - 2³ = 55529340497 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1504411 + ... + 1540879.

It is an arithmetic number, because the mean of its divisors is an integer number (4308839325).

Almost surely, 2^55529340505 is an apocalyptic number.

It is an amenable number.

55529340505 is a deficient number, since it is larger than the sum of its proper divisors (13412088695).

55529340505 is a wasteful number, since it uses less digits than its factorization.

55529340505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47004.

The product of its (nonzero) digits is 675000, while the sum is 43.

The spelling of 55529340505 in words is "fifty-five billion, five hundred twenty-nine million, three hundred forty thousand, five hundred five".