5558578578 has 24 divisors (see below), whose sum is σ = 13764099648. Its totient is φ = 1588165272.

The previous prime is 5558578577. The next prime is 5558578583. The reversal of 5558578578 is 8758758555.

5558578578 is a `hidden beast` number, since 5 + 5 + 5 + 8 + 57 + 8 + 578 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (5558578577) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22057726 + ... + 22057977.

It is an arithmetic number, because the mean of its divisors is an integer number (573504152).

Almost surely, 2^5558578578 is an apocalyptic number.

5558578578 is an abundant number, since it is smaller than the sum of its proper divisors (8205521070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5558578578 is a wasteful number, since it uses less digits than its factorization.

5558578578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44115718 (or 44115715 counting only the distinct ones).

The product of its digits is 78400000, while the sum is 63.

The square root of 5558578578 is about 74555.8755431120. The cubic root of 5558578578 is about 1771.4188011248.

The spelling of 5558578578 in words is "five billion, five hundred fifty-eight million, five hundred seventy-eight thousand, five hundred seventy-eight".