54347687 has 2 divisors, whose sum is σ = 54347688. Its totient is φ = 54347686.

The previous prime is 54347663. The next prime is 54347693. The reversal of 54347687 is 78674345.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54347687 - 2¹⁸ = 54085543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54347627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27173843 + 27173844.

It is an arithmetic number, because the mean of its divisors is an integer number (27173844).

Almost surely, 2^54347687 is an apocalyptic number.

54347687 is a deficient number, since it is larger than the sum of its proper divisors (1).

54347687 is an equidigital number, since it uses as much as digits as its factorization.

54347687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 564480, while the sum is 44.

The square root of 54347687 is about 7372.0883744025. The cubic root of 54347687 is about 378.7857989522.

The spelling of 54347687 in words is "fifty-four million, three hundred forty-seven thousand, six hundred eighty-seven".