55210426165 has 32 divisors (see below), whose sum is σ = 68416358400. Its totient is φ = 42753748800.

The previous prime is 55210426151. The next prime is 55210426169. The reversal of 55210426165 is 56162401255.

It is not a de Polignac number, because 55210426165 - 2⁹ = 55210425653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55210426169) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5433840 + ... + 5443990.

It is an arithmetic number, because the mean of its divisors is an integer number (2138011200).

Almost surely, 2^55210426165 is an apocalyptic number.

It is an amenable number.

55210426165 is a deficient number, since it is larger than the sum of its proper divisors (13205932235).

55210426165 is a wasteful number, since it uses less digits than its factorization.

55210426165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10497.

The product of its (nonzero) digits is 72000, while the sum is 37.

The spelling of 55210426165 in words is "fifty-five billion, two hundred ten million, four hundred twenty-six thousand, one hundred sixty-five".