53878684 has 12 divisors (see below), whose sum is σ = 94349304. Its totient is φ = 26921744.

The previous prime is 53878681. The next prime is 53878691. The reversal of 53878684 is 48687835.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53878681) 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, 4479 + ... + 11305.

It is an arithmetic number, because the mean of its divisors is an integer number (7862442).

Almost surely, 2^53878684 is an apocalyptic number.

It is an amenable number.

53878684 is a deficient number, since it is larger than the sum of its proper divisors (40470620).

53878684 is a wasteful number, since it uses less digits than its factorization.

53878684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8804 (or 8802 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 49.

The square root of 53878684 is about 7340.2100787375. The cubic root of 53878684 is about 377.6930498055.

The spelling of 53878684 in words is "fifty-three million, eight hundred seventy-eight thousand, six hundred eighty-four".