53042303 has 2 divisors, whose sum is σ = 53042304. Its totient is φ = 53042302.

The previous prime is 53042299. The next prime is 53042321. The reversal of 53042303 is 30324035.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53042303 - 2² = 53042299 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53042503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26521151 + 26521152.

It is an arithmetic number, because the mean of its divisors is an integer number (26521152).

Almost surely, 2^53042303 is an apocalyptic number.

53042303 is a deficient number, since it is larger than the sum of its proper divisors (1).

53042303 is an equidigital number, since it uses as much as digits as its factorization.

53042303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 20.

The square root of 53042303 is about 7283.0146917331. The cubic root of 53042303 is about 375.7284873077.

Adding to 53042303 its reverse (30324035), we get a palindrome (83366338).

The spelling of 53042303 in words is "fifty-three million, forty-two thousand, three hundred three".