54205478 has 8 divisors (see below), whose sum is σ = 81694200. Its totient is φ = 26974080.

The previous prime is 54205471. The next prime is 54205507. The reversal of 54205478 is 87450245.

54205478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54205471) 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 3 ways as a sum of consecutive naturals, for example, 63803 + ... + 64646.

It is an arithmetic number, because the mean of its divisors is an integer number (10211775).

Almost surely, 2^54205478 is an apocalyptic number.

54205478 is a deficient number, since it is larger than the sum of its proper divisors (27488722).

54205478 is a wasteful number, since it uses less digits than its factorization.

54205478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128662.

The product of its (nonzero) digits is 44800, while the sum is 35.

The square root of 54205478 is about 7362.4369606809. The cubic root of 54205478 is about 378.4551267894.

The spelling of 54205478 in words is "fifty-four million, two hundred five thousand, four hundred seventy-eight".