55502505528005 has 4 divisors (see below), whose sum is σ = 66603006633612. Its totient is φ = 44402004422400.

The previous prime is 55502505527981. The next prime is 55502505528007. The reversal of 55502505528005 is 50082550520555.

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 38966384197636 + 16536121330369 = 6242306^2 + 4066463^2 .

It is a de Polignac number, because none of the positive numbers 2^k-55502505528005 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55502505528007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5550250552796 + ... + 5550250552805.

It is an arithmetic number, because the mean of its divisors is an integer number (16650751658403).

Almost surely, 2^{55502505528005} is an apocalyptic number.

It is an amenable number.

55502505528005 is a deficient number, since it is larger than the sum of its proper divisors (11100501105607).

55502505528005 is a wasteful number, since it uses less digits than its factorization.

55502505528005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11100501105606.

The product of its (nonzero) digits is 2500000, while the sum is 47.

The spelling of 55502505528005 in words is "fifty-five trillion, five hundred two billion, five hundred five million, five hundred twenty-eight thousand, five".