54678394 has 4 divisors (see below), whose sum is σ = 82017594. Its totient is φ = 27339196.

The previous prime is 54678367. The next prime is 54678419. The reversal of 54678394 is 49387645.

54678394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49387645 = 5 ⋅9877529.

It can be written as a sum of positive squares in only one way, i.e., 37662769 + 17015625 = 6137^2 + 4125^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 13669597 + ... + 13669600.

Almost surely, 2^54678394 is an apocalyptic number.

54678394 is a deficient number, since it is larger than the sum of its proper divisors (27339200).

54678394 is a wasteful number, since it uses less digits than its factorization.

54678394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27339199.

The product of its digits is 725760, while the sum is 46.

The square root of 54678394 is about 7394.4840252718. The cubic root of 54678394 is about 379.5525527499.

It can be divided in two parts, 5467 and 8394, that added together give a triangular number (13861 = T₁₆₆).

The spelling of 54678394 in words is "fifty-four million, six hundred seventy-eight thousand, three hundred ninety-four".