53788668 has 12 divisors (see below), whose sum is σ = 125506920. Its totient is φ = 17929552.

The previous prime is 53788667. The next prime is 53788673. The reversal of 53788668 is 86688735.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 53788668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53788667) 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, 2241183 + ... + 2241206.

It is an arithmetic number, because the mean of its divisors is an integer number (10458910).

Almost surely, 2^53788668 is an apocalyptic number.

It is an amenable number.

53788668 is an abundant number, since it is smaller than the sum of its proper divisors (71718252).

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

53788668 is a wasteful number, since it uses less digits than its factorization.

53788668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4482396 (or 4482394 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 51.

The square root of 53788668 is about 7334.0758108981. The cubic root of 53788668 is about 377.4825932356.

The spelling of 53788668 in words is "fifty-three million, seven hundred eighty-eight thousand, six hundred sixty-eight".