53621568001 has 2 divisors, whose sum is σ = 53621568002. Its totient is φ = 53621568000.

The previous prime is 53621567999. The next prime is 53621568041. The reversal of 53621568001 is 10086512635.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53396117776 + 225450225 = 231076^2 + 15015^2 .

It is a cyclic number.

It is not a de Polignac number, because 53621568001 - 2¹ = 53621567999 is a prime.

Together with 53621567999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (53621568041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26810784000 + 26810784001.

It is an arithmetic number, because the mean of its divisors is an integer number (26810784001).

Almost surely, 2^53621568001 is an apocalyptic number.

It is an amenable number.

53621568001 is a deficient number, since it is larger than the sum of its proper divisors (1).

53621568001 is an equidigital number, since it uses as much as digits as its factorization.

53621568001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 37.

The spelling of 53621568001 in words is "fifty-three billion, six hundred twenty-one million, five hundred sixty-eight thousand, one".