53786688 has 28 divisors (see below), whose sum is σ = 142311120. Its totient is φ = 17928832.

The previous prime is 53786687. The next prime is 53786699. The reversal of 53786688 is 88668735.

It is a self number, because there is not a number n which added to its sum of digits gives 53786688.

It is not an unprimeable number, because it can be changed into a prime (53786687) 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, 139878 + ... + 140261.

It is an arithmetic number, because the mean of its divisors is an integer number (5082540).

Almost surely, 2^53786688 is an apocalyptic number.

It is an amenable number.

53786688 is an abundant number, since it is smaller than the sum of its proper divisors (88524432).

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

53786688 is a wasteful number, since it uses less digits than its factorization.

53786688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280154 (or 280144 counting only the distinct ones).

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

The square root of 53786688 is about 7333.9408233228. The cubic root of 53786688 is about 377.4779613759.

The spelling of 53786688 in words is "fifty-three million, seven hundred eighty-six thousand, six hundred eighty-eight".