50544253481 has 4 divisors (see below), whose sum is σ = 51298645392. Its totient is φ = 49789861572.

The previous prime is 50544253327. The next prime is 50544253541. The reversal of 50544253481 is 18435244505.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18435244505 = 5 ⋅3687048901.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50544253481 is a prime.

It is a super-2 number, since 2×50544253481² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50544256481) 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, 377195855 + ... + 377195988.

It is an arithmetic number, because the mean of its divisors is an integer number (12824661348).

Almost surely, 2^50544253481 is an apocalyptic number.

It is an amenable number.

50544253481 is a deficient number, since it is larger than the sum of its proper divisors (754391911).

50544253481 is an equidigital number, since it uses as much as digits as its factorization.

50544253481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754391910.

The product of its (nonzero) digits is 384000, while the sum is 41.

Adding to 50544253481 its reverse (18435244505), we get a palindrome (68979497986).

The spelling of 50544253481 in words is "fifty billion, five hundred forty-four million, two hundred fifty-three thousand, four hundred eighty-one".