54429931 has 2 divisors, whose sum is σ = 54429932. Its totient is φ = 54429930.

The previous prime is 54429911. The next prime is 54429943. The reversal of 54429931 is 13992445.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54429931 - 2⁵ = 54429899 is a prime.

It is a super-2 number, since 2×54429931² = 5925234777329522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54429911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27214965 + 27214966.

It is an arithmetic number, because the mean of its divisors is an integer number (27214966).

Almost surely, 2^54429931 is an apocalyptic number.

54429931 is a deficient number, since it is larger than the sum of its proper divisors (1).

54429931 is an equidigital number, since it uses as much as digits as its factorization.

54429931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 37.

The square root of 54429931 is about 7377.6643322938. The cubic root of 54429931 is about 378.9767740099.

The spelling of 54429931 in words is "fifty-four million, four hundred twenty-nine thousand, nine hundred thirty-one".