53881063 has 4 divisors (see below), whose sum is σ = 54035800. Its totient is φ = 53726328.

The previous prime is 53881013. The next prime is 53881067. The reversal of 53881063 is 36018835.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53881063 - 2¹⁷ = 53749991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53881067) 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, 76845 + ... + 77542.

It is an arithmetic number, because the mean of its divisors is an integer number (13508950).

Almost surely, 2^53881063 is an apocalyptic number.

53881063 is a deficient number, since it is larger than the sum of its proper divisors (154737).

53881063 is a wasteful number, since it uses less digits than its factorization.

53881063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154736.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 53881063 is about 7340.3721295313. The cubic root of 53881063 is about 377.6986087048.

Adding to 53881063 its reverse (36018835), we get a palindrome (89899898).

The spelling of 53881063 in words is "fifty-three million, eight hundred eighty-one thousand, sixty-three".