54341821 has 2 divisors, whose sum is σ = 54341822. Its totient is φ = 54341820.

The previous prime is 54341803. The next prime is 54341839. The reversal of 54341821 is 12814345.

It is a balanced prime because it is at equal distance from previous prime (54341803) and next prime (54341839).

It can be written as a sum of positive squares in only one way, i.e., 54243225 + 98596 = 7365^2 + 314^2 .

It is a cyclic number.

It is not a de Polignac number, because 54341821 - 2¹⁵ = 54309053 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54341821.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54341321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27170910 + 27170911.

It is an arithmetic number, because the mean of its divisors is an integer number (27170911).

Almost surely, 2^54341821 is an apocalyptic number.

It is an amenable number.

54341821 is a deficient number, since it is larger than the sum of its proper divisors (1).

54341821 is an equidigital number, since it uses as much as digits as its factorization.

54341821 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3840, while the sum is 28.

The square root of 54341821 is about 7371.6905116805. The cubic root of 54341821 is about 378.7721704210.

The spelling of 54341821 in words is "fifty-four million, three hundred forty-one thousand, eight hundred twenty-one".