54205331 has 4 divisors (see below), whose sum is σ = 54251232. Its totient is φ = 54159432.

The previous prime is 54205313. The next prime is 54205343. The reversal of 54205331 is 13350245.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13350245 = 5 ⋅2670049.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54205331 is a prime.

It is a super-2 number, since 2×54205331² = 5876435817639122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54205297 and 54205306.

It is not an unprimeable number, because it can be changed into a prime (54205381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21131 + ... + 23556.

It is an arithmetic number, because the mean of its divisors is an integer number (13562808).

Almost surely, 2^54205331 is an apocalyptic number.

54205331 is a deficient number, since it is larger than the sum of its proper divisors (45901).

54205331 is a wasteful number, since it uses less digits than its factorization.

54205331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45900.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 54205331 is about 7362.4269775666. The cubic root of 54205331 is about 378.4547846779.

Adding to 54205331 its reverse (13350245), we get a palindrome (67555576).

The spelling of 54205331 in words is "fifty-four million, two hundred five thousand, three hundred thirty-one".