54216635 has 16 divisors (see below), whose sum is σ = 74062080. Its totient is φ = 37715040.

The previous prime is 54216623. The next prime is 54216641. The reversal of 54216635 is 53661245.

It is not a de Polignac number, because 54216635 - 2¹⁸ = 53954491 is a prime.

It is an unprimeable number.

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, 20165 + ... + 22694.

It is an arithmetic number, because the mean of its divisors is an integer number (4628880).

Almost surely, 2^54216635 is an apocalyptic number.

54216635 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

54216635 is a deficient number, since it is larger than the sum of its proper divisors (19845445).

54216635 is a wasteful number, since it uses less digits than its factorization.

54216635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42898.

The product of its digits is 21600, while the sum is 32.

The square root of 54216635 is about 7363.1946191853. The cubic root of 54216635 is about 378.4810905501.

The spelling of 54216635 in words is "fifty-four million, two hundred sixteen thousand, six hundred thirty-five".