53313353 has 4 divisors (see below), whose sum is σ = 53376708. Its totient is φ = 53250000.

The previous prime is 53313341. The next prime is 53313361. The reversal of 53313353 is 35331335.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32855824 + 20457529 = 5732^2 + 4523^2 .

It is a cyclic number.

It is not a de Polignac number, because 53313353 - 2¹² = 53309257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53313053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30398 + ... + 32103.

It is an arithmetic number, because the mean of its divisors is an integer number (13344177).

Almost surely, 2^53313353 is an apocalyptic number.

It is an amenable number.

53313353 is a deficient number, since it is larger than the sum of its proper divisors (63355).

53313353 is an equidigital number, since it uses as much as digits as its factorization.

53313353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63354.

The product of its digits is 6075, while the sum is 26.

The square root of 53313353 is about 7301.5993453489. The cubic root of 53313353 is about 376.3674001474.

Adding to 53313353 its reverse (35331335), we get a palindrome (88644688).

The spelling of 53313353 in words is "fifty-three million, three hundred thirteen thousand, three hundred fifty-three".