53386863 has 8 divisors (see below), whose sum is σ = 71743488. Its totient is φ = 35310744.

The previous prime is 53386859. The next prime is 53386889. The reversal of 53386863 is 36868335.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53386863 - 2² = 53386859 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53381863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69681 + ... + 70442.

It is an arithmetic number, because the mean of its divisors is an integer number (8967936).

Almost surely, 2^53386863 is an apocalyptic number.

53386863 is a deficient number, since it is larger than the sum of its proper divisors (18356625).

53386863 is a wasteful number, since it uses less digits than its factorization.

53386863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140253.

The product of its digits is 311040, while the sum is 42.

The square root of 53386863 is about 7306.6314400002. The cubic root of 53386863 is about 376.5403028059.

The spelling of 53386863 in words is "fifty-three million, three hundred eighty-six thousand, eight hundred sixty-three".