578666055 has 32 divisors (see below), whose sum is σ = 1011149568. Its totient is φ = 280256000.

The previous prime is 578666017. The next prime is 578666059. The reversal of 578666055 is 550666875.

It is not a de Polignac number, because 578666055 - 2⁹ = 578665543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 578665995 and 578666013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (578666059) 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, 238207 + ... + 240623.

It is an arithmetic number, because the mean of its divisors is an integer number (31598424).

Almost surely, 2^578666055 is an apocalyptic number.

578666055 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

578666055 is a deficient number, since it is larger than the sum of its proper divisors (432483513).

578666055 is a wasteful number, since it uses less digits than its factorization.

578666055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3887.

The product of its (nonzero) digits is 1512000, while the sum is 48.

The square root of 578666055 is about 24055.4786898952. The cubic root of 578666055 is about 833.3152615637.

The spelling of 578666055 in words is "five hundred seventy-eight million, six hundred sixty-six thousand, fifty-five".