53881697 has 2 divisors, whose sum is σ = 53881698. Its totient is φ = 53881696.

The previous prime is 53881679. The next prime is 53881699. The reversal of 53881697 is 79618835.

It is a happy number.

53881697 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (53881679) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52432081 + 1449616 = 7241^2 + 1204^2 .

It is a cyclic number.

It is not a de Polignac number, because 53881697 - 2¹² = 53877601 is a prime.

Together with 53881699, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53881699) 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, 26940848 + 26940849.

It is an arithmetic number, because the mean of its divisors is an integer number (26940849).

Almost surely, 2^53881697 is an apocalyptic number.

It is an amenable number.

53881697 is a deficient number, since it is larger than the sum of its proper divisors (1).

53881697 is an equidigital number, since it uses as much as digits as its factorization.

53881697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 47.

The square root of 53881697 is about 7340.4153152257. The cubic root of 53881697 is about 377.7000901157.

The spelling of 53881697 in words is "fifty-three million, eight hundred eighty-one thousand, six hundred ninety-seven".