548378655 has 48 divisors (see below), whose sum is σ = 969397632. Its totient is φ = 264709280.

The previous prime is 548378647. The next prime is 548378669. The reversal of 548378655 is 556873845.

It is a happy number.

548378655 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 548378655 - 2³ = 548378647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 548378598 and 548378607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2415652 + ... + 2415878.

It is an arithmetic number, because the mean of its divisors is an integer number (20195784).

Almost surely, 2^548378655 is an apocalyptic number.

548378655 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

548378655 is a deficient number, since it is larger than the sum of its proper divisors (421018977).

548378655 is an frugal number, since it uses more digits than its factorization.

With its successor (548378656) it forms an eRAP, since the sums of their prime factors are consecutive (290 and 291).

548378655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290 (or 246 counting only the distinct ones).

The product of its digits is 4032000, while the sum is 51.

The square root of 548378655 is about 23417.4860947968. The cubic root of 548378655 is about 818.5153858007.

The spelling of 548378655 in words is "five hundred forty-eight million, three hundred seventy-eight thousand, six hundred fifty-five".