53303638 has 8 divisors (see below), whose sum is σ = 80566200. Its totient is φ = 26448240.

The previous prime is 53303629. The next prime is 53303639. The reversal of 53303638 is 83630335.

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

It is a super-3 number, since 3×53303638³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53303639) 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, 101463 + ... + 101986.

It is an arithmetic number, because the mean of its divisors is an integer number (10070775).

Almost surely, 2^53303638 is an apocalyptic number.

53303638 is a deficient number, since it is larger than the sum of its proper divisors (27262562).

53303638 is a wasteful number, since it uses less digits than its factorization.

53303638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203582.

The product of its (nonzero) digits is 19440, while the sum is 31.

The square root of 53303638 is about 7300.9340498323. The cubic root of 53303638 is about 376.3445376361.

The spelling of 53303638 in words is "fifty-three million, three hundred three thousand, six hundred thirty-eight".