54511387 has 8 divisors (see below), whose sum is σ = 64447200. Its totient is φ = 45112704.

The previous prime is 54511351. The next prime is 54511393. The reversal of 54511387 is 78311545.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-54511387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54511307) 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, 134062 + ... + 134467.

It is an arithmetic number, because the mean of its divisors is an integer number (8055900).

Almost surely, 2^54511387 is an apocalyptic number.

54511387 is a deficient number, since it is larger than the sum of its proper divisors (9935813).

54511387 is a wasteful number, since it uses less digits than its factorization.

54511387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268565.

The product of its digits is 16800, while the sum is 34.

The square root of 54511387 is about 7383.1827147918. The cubic root of 54511387 is about 379.1657297619.

The spelling of 54511387 in words is "fifty-four million, five hundred eleven thousand, three hundred eighty-seven".