53712288 has 192 divisors, whose sum is σ = 182891520. Its totient is φ = 15019776.

The previous prime is 53712287. The next prime is 53712311. The reversal of 53712288 is 88221735.

53712288 is a `hidden beast` number, since 5 + 371 + 2 + 288 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53712287) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 501931 + ... + 502037.

It is an arithmetic number, because the mean of its divisors is an integer number (952560).

Almost surely, 2^53712288 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 53712288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91445760).

53712288 is an abundant number, since it is smaller than the sum of its proper divisors (129179232).

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

53712288 is a wasteful number, since it uses less digits than its factorization.

53712288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216 (or 202 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 53712288 is about 7328.8667609665. The cubic root of 53712288 is about 377.3038332877.

The spelling of 53712288 in words is "fifty-three million, seven hundred twelve thousand, two hundred eighty-eight".