53011249559 has 4 divisors (see below), whose sum is σ = 53095261680. Its totient is φ = 52927237440.

The previous prime is 53011249553. The next prime is 53011249561. The reversal of 53011249559 is 95594211035.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53011249559 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 (53011249553) 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, 42005114 + ... + 42006375.

It is an arithmetic number, because the mean of its divisors is an integer number (13273815420).

Almost surely, 2^53011249559 is an apocalyptic number.

53011249559 is a deficient number, since it is larger than the sum of its proper divisors (84012121).

53011249559 is an equidigital number, since it uses as much as digits as its factorization.

53011249559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84012120.

The product of its (nonzero) digits is 243000, while the sum is 44.

The spelling of 53011249559 in words is "fifty-three billion, eleven million, two hundred forty-nine thousand, five hundred fifty-nine".