53538971 has 2 divisors, whose sum is σ = 53538972. Its totient is φ = 53538970.

The previous prime is 53538949. The next prime is 53538997. The reversal of 53538971 is 17983535.

It is a happy number.

53538971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53538971 - 2²² = 49344667 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53538911) 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, 26769485 + 26769486.

It is an arithmetic number, because the mean of its divisors is an integer number (26769486).

Almost surely, 2^53538971 is an apocalyptic number.

53538971 is a deficient number, since it is larger than the sum of its proper divisors (1).

53538971 is an equidigital number, since it uses as much as digits as its factorization.

53538971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 113400, while the sum is 41.

The square root of 53538971 is about 7317.0329369219. The cubic root of 53538971 is about 376.8975722413.

The spelling of 53538971 in words is "fifty-three million, five hundred thirty-eight thousand, nine hundred seventy-one".