50533442153 has 4 divisors (see below), whose sum is σ = 50559345408. Its totient is φ = 50507538900.

The previous prime is 50533442143. The next prime is 50533442173. The reversal of 50533442153 is 35124433505.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 50533442153 - 2²⁴ = 50516664937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50533442143) 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, 12948701 + ... + 12952602.

It is an arithmetic number, because the mean of its divisors is an integer number (12639836352).

Almost surely, 2^50533442153 is an apocalyptic number.

It is an amenable number.

50533442153 is a deficient number, since it is larger than the sum of its proper divisors (25903255).

50533442153 is a wasteful number, since it uses less digits than its factorization.

50533442153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25903254.

The product of its (nonzero) digits is 108000, while the sum is 35.

Adding to 50533442153 its reverse (35124433505), we get a palindrome (85657875658).

The spelling of 50533442153 in words is "fifty billion, five hundred thirty-three million, four hundred forty-two thousand, one hundred fifty-three".