55133344135249 has 4 divisors (see below), whose sum is σ = 56415514929136. Its totient is φ = 53851173341364.

The previous prime is 55133344135217. The next prime is 55133344135267. The reversal of 55133344135249 is 94253144333155.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55133344135249 - 2⁵ = 55133344135217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55133344135196 and 55133344135205.

It is not an unprimeable number, because it can be changed into a prime (55133344135279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 641085396879 + ... + 641085396964.

It is an arithmetic number, because the mean of its divisors is an integer number (14103878732284).

Almost surely, 2^{55133344135249} is an apocalyptic number.

It is an amenable number.

55133344135249 is a deficient number, since it is larger than the sum of its proper divisors (1282170793887).

55133344135249 is a wasteful number, since it uses less digits than its factorization.

55133344135249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282170793886.

The product of its digits is 11664000, while the sum is 52.

The spelling of 55133344135249 in words is "fifty-five trillion, one hundred thirty-three billion, three hundred forty-four million, one hundred thirty-five thousand, two hundred forty-nine".