54401843 has 2 divisors, whose sum is σ = 54401844. Its totient is φ = 54401842.

The previous prime is 54401839. The next prime is 54401857. The reversal of 54401843 is 34810445.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54401843 - 2² = 54401839 is a prime.

It is not a weakly prime, because it can be changed into another prime (54401443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27200921 + 27200922.

It is an arithmetic number, because the mean of its divisors is an integer number (27200922).

Almost surely, 2^54401843 is an apocalyptic number.

54401843 is a deficient number, since it is larger than the sum of its proper divisors (1).

54401843 is an equidigital number, since it uses as much as digits as its factorization.

54401843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 54401843 is about 7375.7605031617. The cubic root of 54401843 is about 378.9115737853.

The spelling of 54401843 in words is "fifty-four million, four hundred one thousand, eight hundred forty-three".