50481581053 has 2 divisors, whose sum is σ = 50481581054. Its totient is φ = 50481581052.

The previous prime is 50481581047. The next prime is 50481581093. The reversal of 50481581053 is 35018518405.

It is a happy number.

It is an a-pointer prime, because the next prime (50481581093) can be obtained adding 50481581053 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28351150884 + 22130430169 = 168378^2 + 148763^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50481581053 is a prime.

It is a super-2 number, since 2×50481581053² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50481580997 and 50481581015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50481581093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25240790526 + 25240790527.

It is an arithmetic number, because the mean of its divisors is an integer number (25240790527).

Almost surely, 2^50481581053 is an apocalyptic number.

It is an amenable number.

50481581053 is a deficient number, since it is larger than the sum of its proper divisors (1).

50481581053 is an equidigital number, since it uses as much as digits as its factorization.

50481581053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96000, while the sum is 40.

The spelling of 50481581053 in words is "fifty billion, four hundred eighty-one million, five hundred eighty-one thousand, fifty-three".