52154473321 has 2 divisors, whose sum is σ = 52154473322. Its totient is φ = 52154473320.

The previous prime is 52154473309. The next prime is 52154473361. The reversal of 52154473321 is 12337445125.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46683652096 + 5470821225 = 216064^2 + 73965^2 .

It is a cyclic number.

It is not a de Polignac number, because 52154473321 - 2⁵ = 52154473289 is a prime.

It is not a weakly prime, because it can be changed into another prime (52154473361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26077236660 + 26077236661.

It is an arithmetic number, because the mean of its divisors is an integer number (26077236661).

Almost surely, 2^52154473321 is an apocalyptic number.

It is an amenable number.

52154473321 is a deficient number, since it is larger than the sum of its proper divisors (1).

52154473321 is an equidigital number, since it uses as much as digits as its factorization.

52154473321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 100800, while the sum is 37.

The spelling of 52154473321 in words is "fifty-two billion, one hundred fifty-four million, four hundred seventy-three thousand, three hundred twenty-one".