50130042553 has 4 divisors (see below), whose sum is σ = 51858664740. Its totient is φ = 48401420368.

The previous prime is 50130042551. The next prime is 50130042559. The reversal of 50130042553 is 35524003105.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35524003105 = 5 ⋅7104800621.

It can be written as a sum of positive squares in 2 ways, for example, as 11638741689 + 38491300864 = 107883^2 + 196192^2 .

It is a cyclic number.

It is not a de Polignac number, because 50130042553 - 2¹ = 50130042551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50130042551) 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, 864311050 + ... + 864311107.

It is an arithmetic number, because the mean of its divisors is an integer number (12964666185).

Almost surely, 2^50130042553 is an apocalyptic number.

It is an amenable number.

50130042553 is a deficient number, since it is larger than the sum of its proper divisors (1728622187).

50130042553 is a wasteful number, since it uses less digits than its factorization.

50130042553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1728622186.

The product of its (nonzero) digits is 9000, while the sum is 28.

Adding to 50130042553 its reverse (35524003105), we get a palindrome (85654045658).

The spelling of 50130042553 in words is "fifty billion, one hundred thirty million, forty-two thousand, five hundred fifty-three".