55105555610 has 64 divisors (see below), whose sum is σ = 115839700992. Its totient is φ = 18480522816.

The previous prime is 55105555601. The next prime is 55105555627. The reversal of 55105555610 is 1655550155.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7244069 + ... + 7251671.

It is an arithmetic number, because the mean of its divisors is an integer number (1809995328).

Almost surely, 2^55105555610 is an apocalyptic number.

55105555610 is an abundant number, since it is smaller than the sum of its proper divisors (60734145382).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55105555610 is a wasteful number, since it uses less digits than its factorization.

55105555610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9867.

The product of its (nonzero) digits is 93750, while the sum is 38.

The spelling of 55105555610 in words is "fifty-five billion, one hundred five million, five hundred fifty-five thousand, six hundred ten".