54158785 has 4 divisors (see below), whose sum is σ = 64990548. Its totient is φ = 43327024.

The previous prime is 54158737. The next prime is 54158803. The reversal of 54158785 is 58785145.

54158785 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.

It can be written as a sum of positive squares in 2 ways, for example, as 29517489 + 24641296 = 5433^2 + 4964^2 .

It is a cyclic number.

It is not a de Polignac number, because 54158785 - 2²³ = 45770177 is a prime.

It is a Duffinian number.

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 in 3 ways as a sum of consecutive naturals, for example, 5415874 + ... + 5415883.

It is an arithmetic number, because the mean of its divisors is an integer number (16247637).

Almost surely, 2^54158785 is an apocalyptic number.

It is an amenable number.

54158785 is a deficient number, since it is larger than the sum of its proper divisors (10831763).

54158785 is a wasteful number, since it uses less digits than its factorization.

54158785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10831762.

The product of its digits is 224000, while the sum is 43.

The square root of 54158785 is about 7359.2652486508. The cubic root of 54158785 is about 378.3464275561.

The spelling of 54158785 in words is "fifty-four million, one hundred fifty-eight thousand, seven hundred eighty-five".