53384072 has 64 divisors (see below), whose sum is σ = 121651200. Its totient is φ = 21453120.

The previous prime is 53384039. The next prime is 53384101. The reversal of 53384072 is 27048335.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139193 + ... + 139575.

It is an arithmetic number, because the mean of its divisors is an integer number (1900800).

Almost surely, 2^53384072 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 53384072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60825600).

53384072 is an abundant number, since it is smaller than the sum of its proper divisors (68267128).

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

53384072 is a wasteful number, since it uses less digits than its factorization.

53384072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546 (or 542 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 53384072 is about 7306.4404466197. The cubic root of 53384072 is about 376.5337410025.

The spelling of 53384072 in words is "fifty-three million, three hundred eighty-four thousand, seventy-two".