53505302 has 8 divisors (see below), whose sum is σ = 81772416. Its totient is φ = 26247832.

The previous prime is 53505301. The next prime is 53505323. The reversal of 53505302 is 20350535.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×53505302² = 5725634684222408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53505301) 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, 252278 + ... + 252489.

It is an arithmetic number, because the mean of its divisors is an integer number (10221552).

Almost surely, 2^53505302 is an apocalyptic number.

53505302 is a deficient number, since it is larger than the sum of its proper divisors (28267114).

53505302 is a wasteful number, since it uses less digits than its factorization.

53505302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504822.

The product of its (nonzero) digits is 2250, while the sum is 23.

The square root of 53505302 is about 7314.7318474432. The cubic root of 53505302 is about 376.8185492722.

Adding to 53505302 its reverse (20350535), we get a palindrome (73855837).

The spelling of 53505302 in words is "fifty-three million, five hundred five thousand, three hundred two".