55412728266 has 16 divisors (see below), whose sum is σ = 126657664704. Its totient is φ = 15832208064.

The previous prime is 55412728249. The next prime is 55412728271. The reversal of 55412728266 is 66282721455.

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, 659675295 + ... + 659675378.

It is an arithmetic number, because the mean of its divisors is an integer number (7916104044).

Almost surely, 2^55412728266 is an apocalyptic number.

55412728266 is an abundant number, since it is smaller than the sum of its proper divisors (71244936438).

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

55412728266 is a wasteful number, since it uses less digits than its factorization.

55412728266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1319350685.

The product of its digits is 1612800, while the sum is 48.

The spelling of 55412728266 in words is "fifty-five billion, four hundred twelve million, seven hundred twenty-eight thousand, two hundred sixty-six".