55135664445 has 8 divisors (see below), whose sum is σ = 88217063136. Its totient is φ = 29405687696.

The previous prime is 55135664401. The next prime is 55135664447. The reversal of 55135664445 is 54446653155.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55135664445 - 2¹¹ = 55135662397 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55135664394 and 55135664403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55135664447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1837855467 + ... + 1837855496.

It is an arithmetic number, because the mean of its divisors is an integer number (11027132892).

Almost surely, 2^55135664445 is an apocalyptic number.

It is an amenable number.

55135664445 is a deficient number, since it is larger than the sum of its proper divisors (33081398691).

55135664445 is a wasteful number, since it uses less digits than its factorization.

55135664445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3675710971.

The product of its digits is 4320000, while the sum is 48.

The spelling of 55135664445 in words is "fifty-five billion, one hundred thirty-five million, six hundred sixty-four thousand, four hundred forty-five".