55418893344 has 72 divisors (see below), whose sum is σ = 157628726892. Its totient is φ = 18469301760.

The previous prime is 55418893333. The next prime is 55418893349. The reversal of 55418893344 is 44339881455.

It is a happy number.

55418893344 is a `hidden beast` number, since 5 + 541 + 8 + 8 + 93 + 3 + 4 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 48493324944 + 6925568400 = 220212^2 + 83220^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (55418893349) 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, 1706442 + ... + 1738614.

Almost surely, 2^55418893344 is an apocalyptic number.

It is an amenable number.

55418893344 is an abundant number, since it is smaller than the sum of its proper divisors (102209833548).

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

55418893344 is a wasteful number, since it uses less digits than its factorization.

55418893344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38170 (or 38159 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 54.

It can be divided in two parts, 5541889 and 3344, that added together give a cube (5545233 = 177³).

The spelling of 55418893344 in words is "fifty-five billion, four hundred eighteen million, eight hundred ninety-three thousand, three hundred forty-four".