55000000049 has 16 divisors (see below), whose sum is σ = 57399293952. Its totient is φ = 52664528208.

The previous prime is 55000000039. The next prime is 55000000087. The reversal of 55000000049 is 94000000055.

It is a cyclic number.

It is not a de Polignac number, because 55000000049 - 2²⁰ = 54998951473 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54999999970 and 55000000033.

It is not an unprimeable number, because it can be changed into a prime (55000000039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 333362 + ... + 470244.

It is an arithmetic number, because the mean of its divisors is an integer number (3587455872).

Almost surely, 2^55000000049 is an apocalyptic number.

It is an amenable number.

55000000049 is a deficient number, since it is larger than the sum of its proper divisors (2399293903).

55000000049 is a wasteful number, since it uses less digits than its factorization.

55000000049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137116.

The product of its (nonzero) digits is 900, while the sum is 23.

The spelling of 55000000049 in words is "fifty-five billion, forty-nine", and thus it is an aban number and an uban number.