54415231 has 4 divisors (see below), whose sum is σ = 58601032. Its totient is φ = 50229432.

The previous prime is 54415213. The next prime is 54415243. The reversal of 54415231 is 13251445.

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 54415231 - 2⁷ = 54415103 is a prime.

It is a super-3 number, since 3×54415231³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54415196 and 54415205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54415201) 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, 2092881 + ... + 2092906.

It is an arithmetic number, because the mean of its divisors is an integer number (14650258).

Almost surely, 2^54415231 is an apocalyptic number.

54415231 is a deficient number, since it is larger than the sum of its proper divisors (4185801).

54415231 is a wasteful number, since it uses less digits than its factorization.

54415231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4185800.

The product of its digits is 2400, while the sum is 25.

The square root of 54415231 is about 7376.6680147611. The cubic root of 54415231 is about 378.9426539337.

Adding to 54415231 its reverse (13251445), we get a palindrome (67666676).

The spelling of 54415231 in words is "fifty-four million, four hundred fifteen thousand, two hundred thirty-one".