54203231 has 4 divisors (see below), whose sum is σ = 54405000. Its totient is φ = 54001464.

The previous prime is 54203209. The next prime is 54203239. The reversal of 54203231 is 13230245.

It is a happy number.

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 54203231 - 2⁶ = 54203167 is a prime.

It is a super-2 number, since 2×54203231² = 5875980501678722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54203239) 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, 100481 + ... + 101018.

It is an arithmetic number, because the mean of its divisors is an integer number (13601250).

Almost surely, 2^54203231 is an apocalyptic number.

54203231 is a deficient number, since it is larger than the sum of its proper divisors (201769).

54203231 is a wasteful number, since it uses less digits than its factorization.

54203231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201768.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 54203231 is about 7362.2843601697. The cubic root of 54203231 is about 378.4498973030.

Adding to 54203231 its reverse (13230245), we get a palindrome (67433476).

The spelling of 54203231 in words is "fifty-four million, two hundred three thousand, two hundred thirty-one".