54854939 has 2 divisors, whose sum is σ = 54854940. Its totient is φ = 54854938.

The previous prime is 54854923. The next prime is 54854953. The reversal of 54854939 is 93945845.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54854939 - 2⁴ = 54854923 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 54854893 and 54854902.

It is not a weakly prime, because it can be changed into another prime (54854959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27427469 + 27427470.

It is an arithmetic number, because the mean of its divisors is an integer number (27427470).

Almost surely, 2^54854939 is an apocalyptic number.

54854939 is a deficient number, since it is larger than the sum of its proper divisors (1).

54854939 is an equidigital number, since it uses as much as digits as its factorization.

54854939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 777600, while the sum is 47.

The square root of 54854939 is about 7406.4120193249. The cubic root of 54854939 is about 379.9606122610.

The spelling of 54854939 in words is "fifty-four million, eight hundred fifty-four thousand, nine hundred thirty-nine".