53821689001 has 2 divisors, whose sum is σ = 53821689002. Its totient is φ = 53821689000.

The previous prime is 53821688989. The next prime is 53821689011. The reversal of 53821689001 is 10098612835.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49151333401 + 4670355600 = 221701^2 + 68340^2 .

It is a cyclic number.

It is not a de Polignac number, because 53821689001 - 2⁵ = 53821688969 is a prime.

It is not a weakly prime, because it can be changed into another prime (53821689011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26910844500 + 26910844501.

It is an arithmetic number, because the mean of its divisors is an integer number (26910844501).

Almost surely, 2^53821689001 is an apocalyptic number.

It is an amenable number.

53821689001 is a deficient number, since it is larger than the sum of its proper divisors (1).

53821689001 is an equidigital number, since it uses as much as digits as its factorization.

53821689001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 43.

The spelling of 53821689001 in words is "fifty-three billion, eight hundred twenty-one million, six hundred eighty-nine thousand, one".