55555050547 has 4 divisors (see below), whose sum is σ = 55555718800. Its totient is φ = 55554382296.

The previous prime is 55555050527. The next prime is 55555050581. The reversal of 55555050547 is 74505055555.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55555050547 - 2²³ = 55546661939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55555050497 and 55555050506.

It is not an unprimeable number, because it can be changed into a prime (55555050527) 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, 188172 + ... + 382777.

It is an arithmetic number, because the mean of its divisors is an integer number (13888929700).

Almost surely, 2^55555050547 is an apocalyptic number.

55555050547 is a deficient number, since it is larger than the sum of its proper divisors (668253).

55555050547 is an equidigital number, since it uses as much as digits as its factorization.

55555050547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668252.

The product of its (nonzero) digits is 2187500, while the sum is 46.

The spelling of 55555050547 in words is "fifty-five billion, five hundred fifty-five million, fifty thousand, five hundred forty-seven".