54516491 has 16 divisors (see below), whose sum is σ = 59827200. Its totient is φ = 49478688.

The previous prime is 54516487. The next prime is 54516499. The reversal of 54516491 is 19461545.

It is a cyclic number.

It is not a de Polignac number, because 54516491 - 2² = 54516487 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54516499) 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 15 ways as a sum of consecutive naturals, for example, 89510 + ... + 90116.

It is an arithmetic number, because the mean of its divisors is an integer number (3739200).

Almost surely, 2^54516491 is an apocalyptic number.

54516491 is a deficient number, since it is larger than the sum of its proper divisors (5310709).

54516491 is a wasteful number, since it uses less digits than its factorization.

54516491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818.

The product of its digits is 21600, while the sum is 35.

The square root of 54516491 is about 7383.5283570932. The cubic root of 54516491 is about 379.1775633842.

The spelling of 54516491 in words is "fifty-four million, five hundred sixteen thousand, four hundred ninety-one".