55506506013 has 48 divisors (see below), whose sum is σ = 101284421760. Its totient is φ = 29852226432.

The previous prime is 55506506009. The next prime is 55506506039. The reversal of 55506506013 is 31060560555.

It is not a de Polignac number, because 55506506013 - 2² = 55506506009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55506506063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1211481 + ... + 1256462.

It is an arithmetic number, because the mean of its divisors is an integer number (2110092120).

Almost surely, 2^55506506013 is an apocalyptic number.

It is an amenable number.

55506506013 is a deficient number, since it is larger than the sum of its proper divisors (45777915747).

55506506013 is a wasteful number, since it uses less digits than its factorization.

55506506013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2467983 (or 2467970 counting only the distinct ones).

The product of its (nonzero) digits is 67500, while the sum is 36.

The spelling of 55506506013 in words is "fifty-five billion, five hundred six million, five hundred six thousand, thirteen".