55555050550493 has 32 divisors (see below), whose sum is σ = 63478438369920. Its totient is φ = 48165577113600.

The previous prime is 55555050550367. The next prime is 55555050550553. The reversal of 55555050550493 is 39405505055555.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55555050550493 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55555050550093) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 369776573 + ... + 369926781.

It is an arithmetic number, because the mean of its divisors is an integer number (1983701199060).

Almost surely, 2^{55555050550493} is an apocalyptic number.

It is an amenable number.

55555050550493 is a deficient number, since it is larger than the sum of its proper divisors (7923387819427).

55555050550493 is a wasteful number, since it uses less digits than its factorization.

55555050550493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153677.

The product of its (nonzero) digits is 42187500, while the sum is 56.

The spelling of 55555050550493 in words is "fifty-five trillion, five hundred fifty-five billion, fifty million, five hundred fifty thousand, four hundred ninety-three".