53878356 has 72 divisors (see below), whose sum is σ = 158995200. Its totient is φ = 15062976.

The previous prime is 53878337. The next prime is 53878367. The reversal of 53878356 is 65387835.

53878356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9570 + ... + 14118.

Almost surely, 2^53878356 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 53878356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79497600).

53878356 is an abundant number, since it is smaller than the sum of its proper divisors (105116844).

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

53878356 is a wasteful number, since it uses less digits than its factorization.

53878356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4613 (or 4608 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 53878356 is about 7340.1877360187. The cubic root of 53878356 is about 377.6922833702.

The spelling of 53878356 in words is "fifty-three million, eight hundred seventy-eight thousand, three hundred fifty-six".