53303357 has 2 divisors, whose sum is σ = 53303358. Its totient is φ = 53303356.

The previous prime is 53303323. The next prime is 53303377. The reversal of 53303357 is 75330335.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26822041 + 26481316 = 5179^2 + 5146^2 .

It is a cyclic number.

It is not a de Polignac number, because 53303357 - 2⁶ = 53303293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53303317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26651678 + 26651679.

It is an arithmetic number, because the mean of its divisors is an integer number (26651679).

Almost surely, 2^53303357 is an apocalyptic number.

It is an amenable number.

53303357 is a deficient number, since it is larger than the sum of its proper divisors (1).

53303357 is an equidigital number, since it uses as much as digits as its factorization.

53303357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14175, while the sum is 29.

The square root of 53303357 is about 7300.9148056939. The cubic root of 53303357 is about 376.3438763116.

The spelling of 53303357 in words is "fifty-three million, three hundred three thousand, three hundred fifty-seven".