54778514 has 16 divisors (see below), whose sum is σ = 94197696. Its totient is φ = 23403600.

The previous prime is 54778513. The next prime is 54778523. The reversal of 54778514 is 41587745.

54778514 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (54778511) 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 7 ways as a sum of consecutive naturals, for example, 1277 + ... + 10544.

It is an arithmetic number, because the mean of its divisors is an integer number (5887356).

Almost surely, 2^54778514 is an apocalyptic number.

54778514 is a deficient number, since it is larger than the sum of its proper divisors (39419182).

54778514 is a wasteful number, since it uses less digits than its factorization.

54778514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12161.

The product of its digits is 156800, while the sum is 41.

The square root of 54778514 is about 7401.2508402296. The cubic root of 54778514 is about 379.7840740043.

The spelling of 54778514 in words is "fifty-four million, seven hundred seventy-eight thousand, five hundred fourteen".