55055165051560 has 32 divisors (see below), whose sum is σ = 131160834389160. Its totient is φ = 20726650372096.

The previous prime is 55055165051519. The next prime is 55055165051581. The reversal of 55055165051560 is 6515056155055.

It can be written as a sum of positive squares in 4 ways, for example, as 48839607469156 + 6215557582404 = 6988534^2 + 2493102^2 .

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 7 ways as a sum of consecutive naturals, for example, 40481738329 + ... + 40481739688.

Almost surely, 2^{55055165051560} is an apocalyptic number.

It is an amenable number.

55055165051560 is an abundant number, since it is smaller than the sum of its proper divisors (76105669337600).

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

55055165051560 is a wasteful number, since it uses less digits than its factorization.

55055165051560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80963478045 (or 80963478041 counting only the distinct ones).

The product of its (nonzero) digits is 2812500, while the sum is 49.

The spelling of 55055165051560 in words is "fifty-five trillion, fifty-five billion, one hundred sixty-five million, fifty-one thousand, five hundred sixty".