53887768 has 64 divisors (see below), whose sum is σ = 114307200. Its totient is φ = 23608320.

The previous prime is 53887759. The next prime is 53887789. The reversal of 53887768 is 86778835.

Its product of digits (2257920) is a multiple of the sum of its prime factors (280).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 503571 + ... + 503677.

It is an arithmetic number, because the mean of its divisors is an integer number (1786050).

Almost surely, 2^53887768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53887768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57153600).

53887768 is an abundant number, since it is smaller than the sum of its proper divisors (60419432).

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

53887768 is a wasteful number, since it uses less digits than its factorization.

53887768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280 (or 276 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 52.

The square root of 53887768 is about 7340.8288360375. The cubic root of 53887768 is about 377.7142750880.

The spelling of 53887768 in words is "fifty-three million, eight hundred eighty-seven thousand, seven hundred sixty-eight".