53078243 has 2 divisors, whose sum is σ = 53078244. Its totient is φ = 53078242.

The previous prime is 53078219. The next prime is 53078257. The reversal of 53078243 is 34287035.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53078243 - 2⁸ = 53077987 is a prime.

It is not a weakly prime, because it can be changed into another prime (53078213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26539121 + 26539122.

It is an arithmetic number, because the mean of its divisors is an integer number (26539122).

Almost surely, 2^53078243 is an apocalyptic number.

53078243 is a deficient number, since it is larger than the sum of its proper divisors (1).

53078243 is an equidigital number, since it uses as much as digits as its factorization.

53078243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 53078243 is about 7285.4816587512. The cubic root of 53078243 is about 375.8133292314.

The spelling of 53078243 in words is "fifty-three million, seventy-eight thousand, two hundred forty-three".