55132656505 has 4 divisors (see below), whose sum is σ = 66159187812. Its totient is φ = 44106125200.

The previous prime is 55132656473. The next prime is 55132656511. The reversal of 55132656505 is 50565623155.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13452984169 + 41679672336 = 115987^2 + 204156^2 .

It is not a de Polignac number, because 55132656505 - 2⁵ = 55132656473 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5513265646 + ... + 5513265655.

It is an arithmetic number, because the mean of its divisors is an integer number (16539796953).

Almost surely, 2^55132656505 is an apocalyptic number.

It is an amenable number.

55132656505 is a deficient number, since it is larger than the sum of its proper divisors (11026531307).

55132656505 is a wasteful number, since it uses less digits than its factorization.

55132656505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11026531306.

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

The spelling of 55132656505 in words is "fifty-five billion, one hundred thirty-two million, six hundred fifty-six thousand, five hundred five".