53433353 has 4 divisors (see below), whose sum is σ = 53632260. Its totient is φ = 53234448.

The previous prime is 53433349. The next prime is 53433361. The reversal of 53433353 is 35333435.

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 17875984 + 35557369 = 4228^2 + 5963^2 .

It is a cyclic number.

It is not a de Polignac number, because 53433353 - 2² = 53433349 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53433383) 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, 99050 + ... + 99587.

It is an arithmetic number, because the mean of its divisors is an integer number (13408065).

Almost surely, 2^53433353 is an apocalyptic number.

It is an amenable number.

53433353 is a deficient number, since it is larger than the sum of its proper divisors (198907).

53433353 is a wasteful number, since it uses less digits than its factorization.

53433353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198906.

The product of its digits is 24300, while the sum is 29.

The square root of 53433353 is about 7309.8121042883. The cubic root of 53433353 is about 376.6495698856.

Adding to 53433353 its reverse (35333435), we get a palindrome (88766788).

The spelling of 53433353 in words is "fifty-three million, four hundred thirty-three thousand, three hundred fifty-three".