54115571 has 8 divisors (see below), whose sum is σ = 56101680. Its totient is φ = 52157088.

The previous prime is 54115559. The next prime is 54115577. The reversal of 54115571 is 17551145.

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

It is a cyclic number.

It is not a de Polignac number, because 54115571 - 2⁶ = 54115507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54115577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2876 + ... + 10793.

It is an arithmetic number, because the mean of its divisors is an integer number (7012710).

Almost surely, 2^54115571 is an apocalyptic number.

54115571 is a deficient number, since it is larger than the sum of its proper divisors (1986109).

54115571 is a wasteful number, since it uses less digits than its factorization.

54115571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13813.

The product of its digits is 3500, while the sum is 29.

The square root of 54115571 is about 7356.3286359433. The cubic root of 54115571 is about 378.2457715988.

The spelling of 54115571 in words is "fifty-four million, one hundred fifteen thousand, five hundred seventy-one".