55405343255 has 16 divisors (see below), whose sum is σ = 68411607264. Its totient is φ = 43057372800.

The previous prime is 55405343239. The next prime is 55405343269. The reversal of 55405343255 is 55234350455.

It is not a de Polignac number, because 55405343255 - 2⁴ = 55405343239 is a prime.

It is a super-2 number, since 2×55405343255² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 1008269 + ... + 1061798.

It is an arithmetic number, because the mean of its divisors is an integer number (4275725454).

Almost surely, 2^55405343255 is an apocalyptic number.

55405343255 is a deficient number, since it is larger than the sum of its proper divisors (13006264009).

55405343255 is a wasteful number, since it uses less digits than its factorization.

55405343255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2070226.

The product of its (nonzero) digits is 900000, while the sum is 41.

The spelling of 55405343255 in words is "fifty-five billion, four hundred five million, three hundred forty-three thousand, two hundred fifty-five".