53888864641 has 2 divisors, whose sum is σ = 53888864642. Its totient is φ = 53888864640.

The previous prime is 53888864609. The next prime is 53888864657. The reversal of 53888864641 is 14646888835.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41186673025 + 12702191616 = 202945^2 + 112704^2 .

It is a cyclic number.

It is not a de Polignac number, because 53888864641 - 2⁵ = 53888864609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53888864641.

It is not a weakly prime, because it can be changed into another prime (53888864681) 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, 26944432320 + 26944432321.

It is an arithmetic number, because the mean of its divisors is an integer number (26944432321).

Almost surely, 2^53888864641 is an apocalyptic number.

It is an amenable number.

53888864641 is a deficient number, since it is larger than the sum of its proper divisors (1).

53888864641 is an equidigital number, since it uses as much as digits as its factorization.

53888864641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35389440, while the sum is 61.

The spelling of 53888864641 in words is "fifty-three billion, eight hundred eighty-eight million, eight hundred sixty-four thousand, six hundred forty-one".