54247351 has 2 divisors, whose sum is σ = 54247352. Its totient is φ = 54247350.

The previous prime is 54247343. The next prime is 54247367. The reversal of 54247351 is 15374245.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54247351 - 2³ = 54247343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54247301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27123675 + 27123676.

It is an arithmetic number, because the mean of its divisors is an integer number (27123676).

Almost surely, 2^54247351 is an apocalyptic number.

54247351 is a deficient number, since it is larger than the sum of its proper divisors (1).

54247351 is an equidigital number, since it uses as much as digits as its factorization.

54247351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16800, while the sum is 31.

The square root of 54247351 is about 7365.2801032955. The cubic root of 54247351 is about 378.5525521992.

The spelling of 54247351 in words is "fifty-four million, two hundred forty-seven thousand, three hundred fifty-one".