54001331 has 4 divisors (see below), whose sum is σ = 54021000. Its totient is φ = 53981664.

The previous prime is 54001313. The next prime is 54001351. The reversal of 54001331 is 13310045.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54001331 - 2²² = 49807027 is a prime.

It is a super-2 number, since 2×54001331² = 5832287499543122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54001301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4886 + ... + 11483.

It is an arithmetic number, because the mean of its divisors is an integer number (13505250).

Almost surely, 2^54001331 is an apocalyptic number.

54001331 is a deficient number, since it is larger than the sum of its proper divisors (19669).

54001331 is a wasteful number, since it uses less digits than its factorization.

54001331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19668.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 54001331 is about 7348.5597908706. The cubic root of 54001331 is about 377.9794204150.

Adding to 54001331 its reverse (13310045), we get a palindrome (67311376).

The spelling of 54001331 in words is "fifty-four million, one thousand, three hundred thirty-one".