53011249563 has 4 divisors (see below), whose sum is σ = 70681666088. Its totient is φ = 35340833040.

The previous prime is 53011249561. The next prime is 53011249601. The reversal of 53011249563 is 36594211035.

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

It is not a de Polignac number, because 53011249563 - 2¹ = 53011249561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53011249561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8835208258 + ... + 8835208263.

It is an arithmetic number, because the mean of its divisors is an integer number (17670416522).

Almost surely, 2^53011249563 is an apocalyptic number.

53011249563 is a deficient number, since it is larger than the sum of its proper divisors (17670416525).

53011249563 is a wasteful number, since it uses less digits than its factorization.

53011249563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17670416524.

The product of its (nonzero) digits is 97200, while the sum is 39.

The spelling of 53011249563 in words is "fifty-three billion, eleven million, two hundred forty-nine thousand, five hundred sixty-three".