54155315 has 4 divisors (see below), whose sum is σ = 64986384. Its totient is φ = 43324248.

The previous prime is 54155303. The next prime is 54155323. The reversal of 54155315 is 51355145.

54155315 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54155315 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, 5415527 + ... + 5415536.

It is an arithmetic number, because the mean of its divisors is an integer number (16246596).

Almost surely, 2^54155315 is an apocalyptic number.

54155315 is a deficient number, since it is larger than the sum of its proper divisors (10831069).

54155315 is a wasteful number, since it uses less digits than its factorization.

54155315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10831068.

The product of its digits is 7500, while the sum is 29.

The square root of 54155315 is about 7359.0294876431. The cubic root of 54155315 is about 378.3383470563.

The spelling of 54155315 in words is "fifty-four million, one hundred fifty-five thousand, three hundred fifteen".