55266343164 has 18 divisors (see below), whose sum is σ = 139701034200. Its totient is φ = 18422114376.

The previous prime is 55266343151. The next prime is 55266343169. The reversal of 55266343164 is 46134366255.

55266343164 is a `hidden beast` number, since 5 + 5 + 2 + 6 + 634 + 3 + 1 + 6 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55266343169) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 767588064 + ... + 767588135.

Almost surely, 2^55266343164 is an apocalyptic number.

It is an amenable number.

55266343164 is an abundant number, since it is smaller than the sum of its proper divisors (84434691036).

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

55266343164 is a wasteful number, since it uses less digits than its factorization.

55266343164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1535176209 (or 1535176204 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 45.

The spelling of 55266343164 in words is "fifty-five billion, two hundred sixty-six million, three hundred forty-three thousand, one hundred sixty-four".