54204431 has 2 divisors, whose sum is σ = 54204432. Its totient is φ = 54204430.

The previous prime is 54204383. The next prime is 54204433. The reversal of 54204431 is 13440245.

54204431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54204431 - 2²² = 50010127 is a prime.

It is a super-2 number, since 2×54204431² = 5876240680067522, which contains 22 as substring.

Together with 54204433, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 54204397 and 54204406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54204433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27102215 + 27102216.

It is an arithmetic number, because the mean of its divisors is an integer number (27102216).

Almost surely, 2^54204431 is an apocalyptic number.

54204431 is a deficient number, since it is larger than the sum of its proper divisors (1).

54204431 is an equidigital number, since it uses as much as digits as its factorization.

54204431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 54204431 is about 7362.3658561634. The cubic root of 54204431 is about 378.4526901041.

Adding to 54204431 its reverse (13440245), we get a palindrome (67644676).

The spelling of 54204431 in words is "fifty-four million, two hundred four thousand, four hundred thirty-one".