53084021 has 2 divisors, whose sum is σ = 53084022. Its totient is φ = 53084020.

The previous prime is 53083999. The next prime is 53084027. The reversal of 53084021 is 12048035.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45024100 + 8059921 = 6710^2 + 2839^2 .

It is a cyclic number.

It is not a de Polignac number, because 53084021 - 2⁶ = 53083957 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53084027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26542010 + 26542011.

It is an arithmetic number, because the mean of its divisors is an integer number (26542011).

Almost surely, 2^53084021 is an apocalyptic number.

It is an amenable number.

53084021 is a deficient number, since it is larger than the sum of its proper divisors (1).

53084021 is an equidigital number, since it uses as much as digits as its factorization.

53084021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 53084021 is about 7285.8781900331. The cubic root of 53084021 is about 375.8269655194.

The spelling of 53084021 in words is "fifty-three million, eighty-four thousand, twenty-one".