55441564266 has 24 divisors (see below), whose sum is σ = 121879804032. Its totient is φ = 16800473800.

The previous prime is 55441564261. The next prime is 55441564289. The reversal of 55441564266 is 66246514455.

It is a happy number.

It is a super-2 number, since 2×55441564266² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55441564261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38182170 + ... + 38183621.

It is an arithmetic number, because the mean of its divisors is an integer number (5078325168).

Almost surely, 2^55441564266 is an apocalyptic number.

55441564266 is an abundant number, since it is smaller than the sum of its proper divisors (66438239766).

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

55441564266 is a wasteful number, since it uses less digits than its factorization.

55441564266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76365818 (or 76365807 counting only the distinct ones).

The product of its digits is 3456000, while the sum is 48.

The spelling of 55441564266 in words is "fifty-five billion, four hundred forty-one million, five hundred sixty-four thousand, two hundred sixty-six".