53063868 has 144 divisors (see below), whose sum is σ = 155965824. Its totient is φ = 13839360.

The previous prime is 53063867. The next prime is 53063873. The reversal of 53063868 is 86836035.

53063868 is digitally balanced in base 2 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

53063868 is strictly pandigital in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53063861) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 495871 + ... + 495977.

It is an arithmetic number, because the mean of its divisors is an integer number (1083096).

Almost surely, 2^53063868 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 53063868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77982912).

53063868 is an abundant number, since it is smaller than the sum of its proper divisors (102901956).

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

53063868 is a wasteful number, since it uses less digits than its factorization.

53063868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172 (or 153 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 53063868 is about 7284.4950408385. The cubic root of 53063868 is about 375.7793994196.

The spelling of 53063868 in words is "fifty-three million, sixty-three thousand, eight hundred sixty-eight".