53250623021 has 2 divisors, whose sum is σ = 53250623022. Its totient is φ = 53250623020.

The previous prime is 53250622981. The next prime is 53250623033. The reversal of 53250623021 is 12032605235.

53250623021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46921624996 + 6328998025 = 216614^2 + 79555^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53250623021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53250623071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26625311510 + 26625311511.

It is an arithmetic number, because the mean of its divisors is an integer number (26625311511).

Almost surely, 2^53250623021 is an apocalyptic number.

It is an amenable number.

53250623021 is a deficient number, since it is larger than the sum of its proper divisors (1).

53250623021 is an equidigital number, since it uses as much as digits as its factorization.

53250623021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 29.

The spelling of 53250623021 in words is "fifty-three billion, two hundred fifty million, six hundred twenty-three thousand, twenty-one".