55525502555 has 16 divisors (see below), whose sum is σ = 69839400960. Its totient is φ = 42298526688.

The previous prime is 55525502531. The next prime is 55525502639. The reversal of 55525502555 is 55520552555.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 55525502555 - 2²⁰ = 55524453979 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, 1056935 + ... + 1108224.

It is an arithmetic number, because the mean of its divisors is an integer number (4364962560).

Almost surely, 2^55525502555 is an apocalyptic number.

55525502555 is a deficient number, since it is larger than the sum of its proper divisors (14313898405).

55525502555 is a wasteful number, since it uses less digits than its factorization.

55525502555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2165410.

The product of its (nonzero) digits is 1562500, while the sum is 44.

The spelling of 55525502555 in words is "fifty-five billion, five hundred twenty-five million, five hundred two thousand, five hundred fifty-five".