54159159 has 4 divisors (see below), whose sum is σ = 72212216. Its totient is φ = 36106104.

The previous prime is 54159121. The next prime is 54159169. The reversal of 54159159 is 95195145.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 54159159 - 2⁷ = 54159031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54159169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9026524 + ... + 9026529.

It is an arithmetic number, because the mean of its divisors is an integer number (18053054).

Almost surely, 2^54159159 is an apocalyptic number.

54159159 is a deficient number, since it is larger than the sum of its proper divisors (18053057).

54159159 is a wasteful number, since it uses less digits than its factorization.

54159159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18053056.

The product of its digits is 40500, while the sum is 39.

The square root of 54159159 is about 7359.2906587524. The cubic root of 54159159 is about 378.3472984596.

The spelling of 54159159 in words is "fifty-four million, one hundred fifty-nine thousand, one hundred fifty-nine".