53531446363 has 4 divisors (see below), whose sum is σ = 53724700960. Its totient is φ = 53338191768.

The previous prime is 53531446327. The next prime is 53531446369. The reversal of 53531446363 is 36364413535.

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 53531446363 - 2¹³ = 53531438171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53531446369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96626883 + ... + 96627436.

It is an arithmetic number, because the mean of its divisors is an integer number (13431175240).

Almost surely, 2^53531446363 is an apocalyptic number.

53531446363 is a deficient number, since it is larger than the sum of its proper divisors (193254597).

53531446363 is a wasteful number, since it uses less digits than its factorization.

53531446363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193254596.

The product of its digits is 1166400, while the sum is 43.

Adding to 53531446363 its reverse (36364413535), we get a palindrome (89895859898).

The spelling of 53531446363 in words is "fifty-three billion, five hundred thirty-one million, four hundred forty-six thousand, three hundred sixty-three".