53136384 has 132 divisors (see below), whose sum is σ = 165217464. Its totient is φ = 15138816.

The previous prime is 53136379. The next prime is 53136389. The reversal of 53136384 is 48363135.

It is an interprime number because it is at equal distance from previous prime (53136379) and next prime (53136389).

It is not an unprimeable number, because it can be changed into a prime (53136389) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 150352 + ... + 150704.

Almost surely, 2^53136384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53136384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82608732).

53136384 is an abundant number, since it is smaller than the sum of its proper divisors (112081080).

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

53136384 is a wasteful number, since it uses less digits than its factorization.

53136384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390 (or 365 counting only the distinct ones).

The product of its digits is 25920, while the sum is 33.

The square root of 53136384 is about 7289.4707626823. The cubic root of 53136384 is about 375.9504989912.

The spelling of 53136384 in words is "fifty-three million, one hundred thirty-six thousand, three hundred eighty-four".