53384688 has 120 divisors (see below), whose sum is σ = 172238976. Its totient is φ = 15120000.

The previous prime is 53384657. The next prime is 53384689. The reversal of 53384688 is 88648335.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53384689) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 212563 + ... + 212813.

Almost surely, 2^53384688 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 53384688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86119488).

53384688 is an abundant number, since it is smaller than the sum of its proper divisors (118854288).

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

53384688 is a wasteful number, since it uses less digits than its factorization.

53384688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483 (or 474 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 53384688 is about 7306.4826010879. The cubic root of 53384688 is about 376.5351892740.

The spelling of 53384688 in words is "fifty-three million, three hundred eighty-four thousand, six hundred eighty-eight".