54778308 has 36 divisors (see below), whose sum is σ = 138409488. Its totient is φ = 16854240.

The previous prime is 54778307. The next prime is 54778319. The reversal of 54778308 is 80387745.

54778308 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 54778308.

It is not an unprimeable number, because it can be changed into a prime (54778307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11478 + ... + 15533.

It is an arithmetic number, because the mean of its divisors is an integer number (3844708).

Almost surely, 2^54778308 is an apocalyptic number.

It is an amenable number.

54778308 is an abundant number, since it is smaller than the sum of its proper divisors (83631180).

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

54778308 is a wasteful number, since it uses less digits than its factorization.

54778308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27044 (or 27029 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 42.

The square root of 54778308 is about 7401.2369236500. The cubic root of 54778308 is about 379.7835979319.

The spelling of 54778308 in words is "fifty-four million, seven hundred seventy-eight thousand, three hundred eight".