53900257 has 2 divisors, whose sum is σ = 53900258. Its totient is φ = 53900256.

The previous prime is 53900237. The next prime is 53900261. The reversal of 53900257 is 75200935.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47941776 + 5958481 = 6924^2 + 2441^2 .

It is a cyclic number.

It is not a de Polignac number, because 53900257 - 2¹¹ = 53898209 is a prime.

It is not a weakly prime, because it can be changed into another prime (53900237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26950128 + 26950129.

It is an arithmetic number, because the mean of its divisors is an integer number (26950129).

Almost surely, 2^53900257 is an apocalyptic number.

It is an amenable number.

53900257 is a deficient number, since it is larger than the sum of its proper divisors (1).

53900257 is an equidigital number, since it uses as much as digits as its factorization.

53900257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9450, while the sum is 31.

The square root of 53900257 is about 7341.6794400192. The cubic root of 53900257 is about 377.7434524528.

The spelling of 53900257 in words is "fifty-three million, nine hundred thousand, two hundred fifty-seven".