53996988 has 24 divisors (see below), whose sum is σ = 126112000. Its totient is φ = 17982000.

The previous prime is 53996963. The next prime is 53996989. The reversal of 53996988 is 88969935.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53996989) 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, 22863 + ... + 25113.

Almost surely, 2^53996988 is an apocalyptic number.

It is an amenable number.

53996988 is an abundant number, since it is smaller than the sum of its proper divisors (72115012).

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

53996988 is a wasteful number, since it uses less digits than its factorization.

53996988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4257 (or 4255 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 57.

The square root of 53996988 is about 7348.2642848499. The cubic root of 53996988 is about 377.9692872782.

It can be divided in two parts, 5 and 3996988, that added together give a palindrome (3996993).

The spelling of 53996988 in words is "fifty-three million, nine hundred ninety-six thousand, nine hundred eighty-eight".