55505110515 has 16 divisors (see below), whose sum is σ = 90313401600. Its totient is φ = 29100984032.

The previous prime is 55505110513. The next prime is 55505110519. The reversal of 55505110515 is 51501150555.

It is a cyclic number.

It is not a de Polignac number, because 55505110515 - 2¹ = 55505110513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55505110513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31357935 + ... + 31359704.

It is an arithmetic number, because the mean of its divisors is an integer number (5644587600).

Almost surely, 2^55505110515 is an apocalyptic number.

55505110515 is a deficient number, since it is larger than the sum of its proper divisors (34808291085).

55505110515 is a wasteful number, since it uses less digits than its factorization.

55505110515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62717706.

The product of its (nonzero) digits is 15625, while the sum is 33.

The spelling of 55505110515 in words is "fifty-five billion, five hundred five million, one hundred ten thousand, five hundred fifteen".