54320351 has 2 divisors, whose sum is σ = 54320352. Its totient is φ = 54320350.

The previous prime is 54320341. The next prime is 54320353. The reversal of 54320351 is 15302345.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54320351 is a prime.

Together with 54320353, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54320353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27160175 + 27160176.

It is an arithmetic number, because the mean of its divisors is an integer number (27160176).

Almost surely, 2^54320351 is an apocalyptic number.

54320351 is a deficient number, since it is larger than the sum of its proper divisors (1).

54320351 is an equidigital number, since it uses as much as digits as its factorization.

54320351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 54320351 is about 7370.2341211118. The cubic root of 54320351 is about 378.7222806089.

Adding to 54320351 its reverse (15302345), we get a palindrome (69622696).

The spelling of 54320351 in words is "fifty-four million, three hundred twenty thousand, three hundred fifty-one".