54251530333309 has 2 divisors, whose sum is σ = 54251530333310. Its totient is φ = 54251530333308.

The previous prime is 54251530333303. The next prime is 54251530333367. The reversal of 54251530333309 is 90333303515245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50607928905625 + 3643601427684 = 7113925^2 + 1908822^2 .

It is a cyclic number.

It is not a de Polignac number, because 54251530333309 - 2¹³ = 54251530325117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54251530333303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27125765166654 + 27125765166655.

It is an arithmetic number, because the mean of its divisors is an integer number (27125765166655).

Almost surely, 2^{54251530333309} is an apocalyptic number.

It is an amenable number.

54251530333309 is a deficient number, since it is larger than the sum of its proper divisors (1).

54251530333309 is an equidigital number, since it uses as much as digits as its factorization.

54251530333309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2187000, while the sum is 46.

The spelling of 54251530333309 in words is "fifty-four trillion, two hundred fifty-one billion, five hundred thirty million, three hundred thirty-three thousand, three hundred nine".