53881038 has 40 divisors (see below), whose sum is σ = 124639680. Its totient is φ = 17379360.

The previous prime is 53881013. The next prime is 53881067. The reversal of 53881038 is 83018835.

It is a happy number.

53881038 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 53880993 and 53881011.

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 19 ways as a sum of consecutive naturals, for example, 343 + ... + 10386.

It is an arithmetic number, because the mean of its divisors is an integer number (3115992).

Almost surely, 2^53881038 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53881038, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62319840).

53881038 is an abundant number, since it is smaller than the sum of its proper divisors (70758642).

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

53881038 is a wasteful number, since it uses less digits than its factorization.

53881038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10774 (or 10765 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 53881038 is about 7340.3704266202. The cubic root of 53881038 is about 377.6985502893.

The spelling of 53881038 in words is "fifty-three million, eight hundred eighty-one thousand, thirty-eight".