55044784269 has 24 divisors (see below), whose sum is σ = 80030845440. Its totient is φ = 36455925312.

The previous prime is 55044784241. The next prime is 55044784307. The reversal of 55044784269 is 96248744055.

55044784269 is a `hidden beast` number, since 5 + 504 + 4 + 78 + 4 + 2 + 69 = 666.

It is not a de Polignac number, because 55044784269 - 2⁷ = 55044784141 is a prime.

It is a super-2 number, since 2×55044784269² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55044744269) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4216977 + ... + 4230009.

It is an arithmetic number, because the mean of its divisors is an integer number (3334618560).

Almost surely, 2^55044784269 is an apocalyptic number.

It is an amenable number.

55044784269 is a deficient number, since it is larger than the sum of its proper divisors (24986061171).

55044784269 is a wasteful number, since it uses less digits than its factorization.

55044784269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16081 (or 16078 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 54.

The spelling of 55044784269 in words is "fifty-five billion, forty-four million, seven hundred eighty-four thousand, two hundred sixty-nine".