54455239 has 2 divisors, whose sum is σ = 54455240. Its totient is φ = 54455238.

The previous prime is 54455207. The next prime is 54455279. The reversal of 54455239 is 93255445.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54455239 - 2⁵ = 54455207 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 54455198 and 54455207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54455279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27227619 + 27227620.

It is an arithmetic number, because the mean of its divisors is an integer number (27227620).

Almost surely, 2^54455239 is an apocalyptic number.

54455239 is a deficient number, since it is larger than the sum of its proper divisors (1).

54455239 is an equidigital number, since it uses as much as digits as its factorization.

54455239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108000, while the sum is 37.

The square root of 54455239 is about 7379.3793099420. The cubic root of 54455239 is about 379.0355018574.

The spelling of 54455239 in words is "fifty-four million, four hundred fifty-five thousand, two hundred thirty-nine".