53612288 has 72 divisors (see below), whose sum is σ = 115379712. Its totient is φ = 24772608.

The previous prime is 53612269. The next prime is 53612327. The reversal of 53612288 is 88221635.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 422081 + ... + 422207.

It is an arithmetic number, because the mean of its divisors is an integer number (1602496).

Almost surely, 2^53612288 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 53612288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57689856).

53612288 is an abundant number, since it is smaller than the sum of its proper divisors (61767424).

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

53612288 is a wasteful number, since it uses less digits than its factorization.

53612288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257 (or 243 counting only the distinct ones).

The product of its digits is 23040, while the sum is 35.

The square root of 53612288 is about 7322.0412454452. The cubic root of 53612288 is about 377.0695366671.

The spelling of 53612288 in words is "fifty-three million, six hundred twelve thousand, two hundred eighty-eight".