55561000606025 has 6 divisors (see below), whose sum is σ = 68895640751502. Its totient is φ = 44448800484800.

The previous prime is 55561000605941. The next prime is 55561000606063. The reversal of 55561000606025 is 52060600016555.

It can be written as a sum of positive squares in 3 ways, for example, as 7071685021696 + 48489315584329 = 2659264^2 + 6963427^2 .

It is not a de Polignac number, because 55561000606025 - 2⁸ = 55561000605769 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1111220012096 + ... + 1111220012145.

It is an arithmetic number, because the mean of its divisors is an integer number (11482606791917).

Almost surely, 2^{55561000606025} is an apocalyptic number.

It is an amenable number.

55561000606025 is a deficient number, since it is larger than the sum of its proper divisors (13334640145477).

55561000606025 is a wasteful number, since it uses less digits than its factorization.

55561000606025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2222440024251 (or 2222440024246 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 41.

The spelling of 55561000606025 in words is "fifty-five trillion, five hundred sixty-one billion, six hundred six thousand, twenty-five".