55550055055505 has 16 divisors (see below), whose sum is σ = 71183162880000. Its totient is φ = 41523511673280.

The previous prime is 55550055055459. The next prime is 55550055055519. The reversal of 55550055055505 is 50555055005555.

It is not a de Polignac number, because 55550055055505 - 2⁴² = 51152008544401 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6179089505 + ... + 6179098494.

It is an arithmetic number, because the mean of its divisors is an integer number (4448947680000).

Almost surely, 2^{55550055055505} is an apocalyptic number.

It is an amenable number.

55550055055505 is a deficient number, since it is larger than the sum of its proper divisors (15633107824495).

55550055055505 is a wasteful number, since it uses less digits than its factorization.

55550055055505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12358188064.

The product of its (nonzero) digits is 9765625, while the sum is 50.

The spelling of 55550055055505 in words is "fifty-five trillion, five hundred fifty billion, fifty-five million, fifty-five thousand, five hundred five".