54728578 has 8 divisors (see below), whose sum is σ = 84741120. Its totient is φ = 26481540.

The previous prime is 54728561. The next prime is 54728581. The reversal of 54728578 is 87582745.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 441298 + ... + 441421.

It is an arithmetic number, because the mean of its divisors is an integer number (10592640).

Almost surely, 2^54728578 is an apocalyptic number.

54728578 is a deficient number, since it is larger than the sum of its proper divisors (30012542).

54728578 is a wasteful number, since it uses less digits than its factorization.

54728578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882752.

The product of its digits is 627200, while the sum is 46.

The square root of 54728578 is about 7397.8765872377. The cubic root of 54728578 is about 379.6686354145.

The spelling of 54728578 in words is "fifty-four million, seven hundred twenty-eight thousand, five hundred seventy-eight".