54123247 has 2 divisors, whose sum is σ = 54123248. Its totient is φ = 54123246.

The previous prime is 54123233. The next prime is 54123281. The reversal of 54123247 is 74232145.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54123247 - 2¹⁵ = 54090479 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54123217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27061623 + 27061624.

It is an arithmetic number, because the mean of its divisors is an integer number (27061624).

Almost surely, 2^54123247 is an apocalyptic number.

54123247 is a deficient number, since it is larger than the sum of its proper divisors (1).

54123247 is an equidigital number, since it uses as much as digits as its factorization.

54123247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 28.

The square root of 54123247 is about 7356.8503450865. The cubic root of 54123247 is about 378.2636547898.

The spelling of 54123247 in words is "fifty-four million, one hundred twenty-three thousand, two hundred forty-seven".