54542843 has 2 divisors, whose sum is σ = 54542844. Its totient is φ = 54542842.

The previous prime is 54542801. The next prime is 54542923. The reversal of 54542843 is 34824545.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54542843 - 2⁶ = 54542779 is a prime.

It is not a weakly prime, because it can be changed into another prime (54541843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27271421 + 27271422.

It is an arithmetic number, because the mean of its divisors is an integer number (27271422).

Almost surely, 2^54542843 is an apocalyptic number.

54542843 is a deficient number, since it is larger than the sum of its proper divisors (1).

54542843 is an equidigital number, since it uses as much as digits as its factorization.

54542843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 76800, while the sum is 35.

The square root of 54542843 is about 7385.3126541806. The cubic root of 54542843 is about 379.2386487391.

The spelling of 54542843 in words is "fifty-four million, five hundred forty-two thousand, eight hundred forty-three".