53136944 has 20 divisors (see below), whose sum is σ = 117660624. Its totient is φ = 22772928.

The previous prime is 53136913. The next prime is 53136947. The reversal of 53136944 is 44963135.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (53136947) 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, 237107 + ... + 237330.

Almost surely, 2^53136944 is an apocalyptic number.

It is an amenable number.

53136944 is an abundant number, since it is smaller than the sum of its proper divisors (64523680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53136944 is a wasteful number, since it uses less digits than its factorization.

53136944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474452 (or 474446 counting only the distinct ones).

The product of its digits is 38880, while the sum is 35.

The square root of 53136944 is about 7289.5091741488. The cubic root of 53136944 is about 375.9518196904.

The spelling of 53136944 in words is "fifty-three million, one hundred thirty-six thousand, nine hundred forty-four".