55561005610 has 16 divisors (see below), whose sum is σ = 109101611232. Its totient is φ = 20204002000.

The previous prime is 55561005601. The next prime is 55561005611. The reversal of 55561005610 is 1650016555.

It is not an unprimeable number, because it can be changed into a prime (55561005611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252549916 + ... + 252550135.

It is an arithmetic number, because the mean of its divisors is an integer number (6818850702).

Almost surely, 2^55561005610 is an apocalyptic number.

55561005610 is a deficient number, since it is larger than the sum of its proper divisors (53540605622).

55561005610 is a wasteful number, since it uses less digits than its factorization.

55561005610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505100069.

The product of its (nonzero) digits is 22500, while the sum is 34.

The spelling of 55561005610 in words is "fifty-five billion, five hundred sixty-one million, five thousand, six hundred ten".