54679447 has 2 divisors, whose sum is σ = 54679448. Its totient is φ = 54679446.

The previous prime is 54679433. The next prime is 54679459. The reversal of 54679447 is 74497645.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54679447 - 2¹⁹ = 54155159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54679397 and 54679406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54679477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27339723 + 27339724.

It is an arithmetic number, because the mean of its divisors is an integer number (27339724).

Almost surely, 2^54679447 is an apocalyptic number.

54679447 is a deficient number, since it is larger than the sum of its proper divisors (1).

54679447 is an equidigital number, since it uses as much as digits as its factorization.

54679447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 846720, while the sum is 46.

The square root of 54679447 is about 7394.5552266516. Note that the first 3 decimals coincide. The cubic root of 54679447 is about 379.5549892167.

The spelling of 54679447 in words is "fifty-four million, six hundred seventy-nine thousand, four hundred forty-seven".