54330643 has 2 divisors, whose sum is σ = 54330644. Its totient is φ = 54330642.

The previous prime is 54330613. The next prime is 54330649. The reversal of 54330643 is 34603345.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54330643 - 2²¹ = 52233491 is a prime.

It is equal to p_3244708 and since 54330643 and 3244708 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (54330649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27165321 + 27165322.

It is an arithmetic number, because the mean of its divisors is an integer number (27165322).

Almost surely, 2^54330643 is an apocalyptic number.

54330643 is a deficient number, since it is larger than the sum of its proper divisors (1).

54330643 is an equidigital number, since it uses as much as digits as its factorization.

54330643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 28.

The square root of 54330643 is about 7370.9323019548. The cubic root of 54330643 is about 378.7461977565.

Adding to 54330643 its reverse (34603345), we get a palindrome (88933988).

The spelling of 54330643 in words is "fifty-four million, three hundred thirty thousand, six hundred forty-three".