53331888 has 20 divisors (see below), whose sum is σ = 137774168. Its totient is φ = 17777280.

The previous prime is 53331881. The next prime is 53331923. The reversal of 53331888 is 88813335.

It is not an unprimeable number, because it can be changed into a prime (53331881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555493 + ... + 555588.

Almost surely, 2^53331888 is an apocalyptic number.

It is an amenable number.

53331888 is an abundant number, since it is smaller than the sum of its proper divisors (84442280).

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

53331888 is a wasteful number, since it uses less digits than its factorization.

53331888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111092 (or 1111086 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 53331888 is about 7302.8684775231. The cubic root of 53331888 is about 376.4110112448.

The spelling of 53331888 in words is "fifty-three million, three hundred thirty-one thousand, eight hundred eighty-eight".