53323288 has 64 divisors (see below), whose sum is σ = 110769120. Its totient is φ = 23961600.

The previous prime is 53323279. The next prime is 53323289. The reversal of 53323288 is 88232335.

It is a happy number.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53323289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 406983 + ... + 407113.

Almost surely, 2^53323288 is an apocalyptic number.

It is an amenable number.

53323288 is an abundant number, since it is smaller than the sum of its proper divisors (57445832).

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

53323288 is a wasteful number, since it uses less digits than its factorization.

53323288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268 (or 264 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The square root of 53323288 is about 7302.2796440564. The cubic root of 53323288 is about 376.3907775171.

The spelling of 53323288 in words is "fifty-three million, three hundred twenty-three thousand, two hundred eighty-eight".