53718288 has 80 divisors (see below), whose sum is σ = 154323456. Its totient is φ = 15989760.

The previous prime is 53718277. The next prime is 53718293. The reversal of 53718288 is 88281735.

It is a happy number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

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, 17956 + ... + 20732.

Almost surely, 2^53718288 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 53718288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77161728).

53718288 is an abundant number, since it is smaller than the sum of its proper divisors (100605168).

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

53718288 is a wasteful number, since it uses less digits than its factorization.

53718288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2832 (or 2826 counting only the distinct ones).

The product of its digits is 107520, while the sum is 42.

The square root of 53718288 is about 7329.2760897649. The cubic root of 53718288 is about 377.3178818341.

The spelling of 53718288 in words is "fifty-three million, seven hundred eighteen thousand, two hundred eighty-eight".