52750289428021 has 2 divisors, whose sum is σ = 52750289428022. Its totient is φ = 52750289428020.

The previous prime is 52750289427949. The next prime is 52750289428027. The reversal of 52750289428021 is 12082498205725.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51294673720900 + 1455615707121 = 7162030^2 + 1206489^2 .

It is a cyclic number.

It is not a de Polignac number, because 52750289428021 - 2¹⁹ = 52750288903733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52750289428027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26375144714010 + 26375144714011.

It is an arithmetic number, because the mean of its divisors is an integer number (26375144714011).

Almost surely, 2^{52750289428021} is an apocalyptic number.

It is an amenable number.

52750289428021 is a deficient number, since it is larger than the sum of its proper divisors (1).

52750289428021 is an equidigital number, since it uses as much as digits as its factorization.

52750289428021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6451200, while the sum is 55.

The spelling of 52750289428021 in words is "fifty-two trillion, seven hundred fifty billion, two hundred eighty-nine million, four hundred twenty-eight thousand, twenty-one".