53293888 has 14 divisors (see below), whose sum is σ = 105755186. Its totient is φ = 26646912.

The previous prime is 53293883. The next prime is 53293897. The reversal of 53293888 is 88839235.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 52533504 + 760384 = 7248^2 + 872^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53293883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 416295 + ... + 416422.

Almost surely, 2^53293888 is an apocalyptic number.

It is an amenable number.

53293888 is a deficient number, since it is larger than the sum of its proper divisors (52461298).

53293888 is an equidigital number, since it uses as much as digits as its factorization.

53293888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832729 (or 832719 counting only the distinct ones).

The product of its digits is 414720, while the sum is 46.

The square root of 53293888 is about 7300.2662965128. The cubic root of 53293888 is about 376.3215899654.

The spelling of 53293888 in words is "fifty-three million, two hundred ninety-three thousand, eight hundred eighty-eight".