55112210525 has 6 divisors (see below), whose sum is σ = 68339141082. Its totient is φ = 44089768400.

The previous prime is 55112210509. The next prime is 55112210561. The reversal of 55112210525 is 52501221155.

It can be written as a sum of positive squares in 3 ways, for example, as 6862134244 + 48250076281 = 82838^2 + 219659^2 .

It is not a de Polignac number, because 55112210525 - 2⁴ = 55112210509 is a prime.

It is a Duffinian number.

It is a congruent 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 5 ways as a sum of consecutive naturals, for example, 1102244186 + ... + 1102244235.

It is an arithmetic number, because the mean of its divisors is an integer number (11389856847).

Almost surely, 2^55112210525 is an apocalyptic number.

It is an amenable number.

55112210525 is a deficient number, since it is larger than the sum of its proper divisors (13226930557).

55112210525 is a wasteful number, since it uses less digits than its factorization.

55112210525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2204488431 (or 2204488426 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 29.

The spelling of 55112210525 in words is "fifty-five billion, one hundred twelve million, two hundred ten thousand, five hundred twenty-five".