53248745881 has 2 divisors, whose sum is σ = 53248745882. Its totient is φ = 53248745880.

The previous prime is 53248745813. The next prime is 53248745899. The reversal of 53248745881 is 18854784235.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43062890256 + 10185855625 = 207516^2 + 100925^2 .

It is a cyclic number.

It is not a de Polignac number, because 53248745881 - 2⁹ = 53248745369 is a prime.

It is a super-2 number, since 2×53248745881² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53248748881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26624372940 + 26624372941.

It is an arithmetic number, because the mean of its divisors is an integer number (26624372941).

Almost surely, 2^53248745881 is an apocalyptic number.

It is an amenable number.

53248745881 is a deficient number, since it is larger than the sum of its proper divisors (1).

53248745881 is an equidigital number, since it uses as much as digits as its factorization.

53248745881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8601600, while the sum is 55.

The spelling of 53248745881 in words is "fifty-three billion, two hundred forty-eight million, seven hundred forty-five thousand, eight hundred eighty-one".