54263561 has 8 divisors (see below), whose sum is σ = 59258304. Its totient is φ = 49279120.

The previous prime is 54263551. The next prime is 54263597. The reversal of 54263561 is 16536245.

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-54263561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54263551) 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, 12116 + ... + 15978.

It is an arithmetic number, because the mean of its divisors is an integer number (7407288).

Almost surely, 2^54263561 is an apocalyptic number.

It is an amenable number.

54263561 is a deficient number, since it is larger than the sum of its proper divisors (4994743).

54263561 is a wasteful number, since it uses less digits than its factorization.

54263561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5151.

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

The square root of 54263561 is about 7366.3804544702. The cubic root of 54263561 is about 378.5902543521.

The spelling of 54263561 in words is "fifty-four million, two hundred sixty-three thousand, five hundred sixty-one".