53438836 has 12 divisors (see below), whose sum is σ = 102019680. Its totient is φ = 24290360.

The previous prime is 53438813. The next prime is 53438873. The reversal of 53438836 is 63883435.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 607216 + ... + 607303.

It is an arithmetic number, because the mean of its divisors is an integer number (8501640).

Almost surely, 2^53438836 is an apocalyptic number.

It is an amenable number.

53438836 is a deficient number, since it is larger than the sum of its proper divisors (48580844).

53438836 is a wasteful number, since it uses less digits than its factorization.

53438836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214534 (or 1214532 counting only the distinct ones).

The product of its digits is 207360, while the sum is 40.

The square root of 53438836 is about 7310.1871385075. The cubic root of 53438836 is about 376.6624525942.

The spelling of 53438836 in words is "fifty-three million, four hundred thirty-eight thousand, eight hundred thirty-six".