54395915 has 8 divisors (see below), whose sum is σ = 74600160. Its totient is φ = 37300032.

The previous prime is 54395899. The next prime is 54395921. The reversal of 54395915 is 51959345.

It is a happy number.

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

It is not a de Polignac number, because 54395915 - 2⁴ = 54395899 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 777050 + ... + 777119.

It is an arithmetic number, because the mean of its divisors is an integer number (9325020).

Almost surely, 2^54395915 is an apocalyptic number.

54395915 is a deficient number, since it is larger than the sum of its proper divisors (20204245).

54395915 is a wasteful number, since it uses less digits than its factorization.

54395915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1554181.

The product of its digits is 121500, while the sum is 41.

The square root of 54395915 is about 7375.3586353478. The cubic root of 54395915 is about 378.8978103459.

The spelling of 54395915 in words is "fifty-four million, three hundred ninety-five thousand, nine hundred fifteen".