53643430 has 16 divisors (see below), whose sum is σ = 97497504. Its totient is φ = 21248640.

The previous prime is 53643413. The next prime is 53643493. The reversal of 53643430 is 3434635.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25011 + ... + 27070.

It is an arithmetic number, because the mean of its divisors is an integer number (6093594).

Almost surely, 2^53643430 is an apocalyptic number.

53643430 is a deficient number, since it is larger than the sum of its proper divisors (43854074).

53643430 is a wasteful number, since it uses less digits than its factorization.

53643430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52191.

The product of its (nonzero) digits is 12960, while the sum is 28.

The square root of 53643430 is about 7324.1675294876. The cubic root of 53643430 is about 377.1425325356.

The spelling of 53643430 in words is "fifty-three million, six hundred forty-three thousand, four hundred thirty".