53289388 has 12 divisors (see below), whose sum is σ = 94648792. Its totient is φ = 26246880.

The previous prime is 53289377. The next prime is 53289409. The reversal of 53289388 is 88398235.

It is a happy number.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99153 + ... + 99688.

Almost surely, 2^53289388 is an apocalyptic number.

It is an amenable number.

53289388 is a deficient number, since it is larger than the sum of its proper divisors (41359404).

53289388 is a wasteful number, since it uses less digits than its factorization.

53289388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198912 (or 198910 counting only the distinct ones).

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

The square root of 53289388 is about 7299.9580820714. The cubic root of 53289388 is about 376.3109977888.

The spelling of 53289388 in words is "fifty-three million, two hundred eighty-nine thousand, three hundred eighty-eight".