53238434 has 16 divisors (see below), whose sum is σ = 81407040. Its totient is φ = 26107920.

The previous prime is 53238433. The next prime is 53238457. The reversal of 53238434 is 43483235.

It is a self number, because there is not a number n which added to its sum of digits gives 53238434.

It is not an unprimeable number, because it can be changed into a prime (53238433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21269 + ... + 23639.

It is an arithmetic number, because the mean of its divisors is an integer number (5087940).

Almost surely, 2^53238434 is an apocalyptic number.

53238434 is a deficient number, since it is larger than the sum of its proper divisors (28168606).

53238434 is a wasteful number, since it uses less digits than its factorization.

53238434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2585.

The product of its digits is 34560, while the sum is 32.

The square root of 53238434 is about 7296.4672273642. The cubic root of 53238434 is about 376.1910197722.

The spelling of 53238434 in words is "fifty-three million, two hundred thirty-eight thousand, four hundred thirty-four".