54345331 has 2 divisors, whose sum is σ = 54345332. Its totient is φ = 54345330.

The previous prime is 54345287. The next prime is 54345359. The reversal of 54345331 is 13354345.

It is an a-pointer prime, because the next prime (54345359) can be obtained adding 54345331 to its sum of digits (28).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54345331 - 2¹¹ = 54343283 is a prime.

It is a super-2 number, since 2×54345331² = 5906830002999122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 54345331.

It is not a weakly prime, because it can be changed into another prime (54348331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27172665 + 27172666.

It is an arithmetic number, because the mean of its divisors is an integer number (27172666).

Almost surely, 2^54345331 is an apocalyptic number.

54345331 is a deficient number, since it is larger than the sum of its proper divisors (1).

54345331 is an equidigital number, since it uses as much as digits as its factorization.

54345331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 28.

The square root of 54345331 is about 7371.9285807718. The cubic root of 54345331 is about 378.7803253538.

Adding to 54345331 its reverse (13354345), we get a palindrome (67699676).

The spelling of 54345331 in words is "fifty-four million, three hundred forty-five thousand, three hundred thirty-one".