53321101481 has 2 divisors, whose sum is σ = 53321101482. Its totient is φ = 53321101480.

The previous prime is 53321101439. The next prime is 53321101513. The reversal of 53321101481 is 18410112335.

53321101481 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., 41452960000 + 11868141481 = 203600^2 + 108941^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53321101481 is a prime.

It is a super-2 number, since 2×53321101481² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53321101381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26660550740 + 26660550741.

It is an arithmetic number, because the mean of its divisors is an integer number (26660550741).

Almost surely, 2^53321101481 is an apocalyptic number.

It is an amenable number.

53321101481 is a deficient number, since it is larger than the sum of its proper divisors (1).

53321101481 is an equidigital number, since it uses as much as digits as its factorization.

53321101481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 29.

The spelling of 53321101481 in words is "fifty-three billion, three hundred twenty-one million, one hundred one thousand, four hundred eighty-one".