52154473309 has 2 divisors, whose sum is σ = 52154473310. Its totient is φ = 52154473308.

The previous prime is 52154473289. The next prime is 52154473321. The reversal of 52154473309 is 90337445125.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48919707684 + 3234765625 = 221178^2 + 56875^2 .

It is a cyclic number.

It is not a de Polignac number, because 52154473309 - 2¹⁹ = 52153949021 is a prime.

It is a super-2 number, since 2×52154473309² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52154473369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26077236654 + 26077236655.

It is an arithmetic number, because the mean of its divisors is an integer number (26077236655).

Almost surely, 2^52154473309 is an apocalyptic number.

It is an amenable number.

52154473309 is a deficient number, since it is larger than the sum of its proper divisors (1).

52154473309 is an equidigital number, since it uses as much as digits as its factorization.

52154473309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 453600, while the sum is 43.

The spelling of 52154473309 in words is "fifty-two billion, one hundred fifty-four million, four hundred seventy-three thousand, three hundred nine".