53229988 has 24 divisors (see below), whose sum is σ = 107499392. Its totient is φ = 22590144.

The previous prime is 53229983. The next prime is 53230031. The reversal of 53229988 is 88992235.

It is not an unprimeable number, because it can be changed into a prime (53229983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6345 + ... + 12112.

Almost surely, 2^53229988 is an apocalyptic number.

It is an amenable number.

53229988 is an abundant number, since it is smaller than the sum of its proper divisors (54269404).

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

53229988 is a wasteful number, since it uses less digits than its factorization.

53229988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18571 (or 18569 counting only the distinct ones).

The product of its digits is 311040, while the sum is 46.

The square root of 53229988 is about 7295.8884311645. Note that the first 3 decimals coincide. The cubic root of 53229988 is about 376.1711251387.

The spelling of 53229988 in words is "fifty-three million, two hundred twenty-nine thousand, nine hundred eighty-eight".