55415315555 has 16 divisors (see below), whose sum is σ = 67527043200. Its totient is φ = 43650647040.

The previous prime is 55415315533. The next prime is 55415315569. The reversal of 55415315555 is 55551351455.

It is not a de Polignac number, because 55415315555 - 2¹⁰ = 55415314531 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154166 + ... + 366875.

It is an arithmetic number, because the mean of its divisors is an integer number (4220440200).

Almost surely, 2^55415315555 is an apocalyptic number.

55415315555 is a deficient number, since it is larger than the sum of its proper divisors (12111727645).

55415315555 is a wasteful number, since it uses less digits than its factorization.

55415315555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521374.

The product of its digits is 937500, while the sum is 44.

The spelling of 55415315555 in words is "fifty-five billion, four hundred fifteen million, three hundred fifteen thousand, five hundred fifty-five".