50435857633 has 6 divisors (see below), whose sum is σ = 58670283426. Its totient is φ = 43230735072.

The previous prime is 50435857631. The next prime is 50435857643. The reversal of 50435857633 is 33675853405.

It can be written as a sum of positive squares in only one way, i.e., 35112388689 + 15323468944 = 187383^2 + 123788^2 .

It is not a de Polignac number, because 50435857633 - 2¹ = 50435857631 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49), and also a Moran number because the ratio is a prime number: 1029303217 = 50435857633 / (5 + 0 + 4 + 3 + 5 + 8 + 5 + 7 + 6 + 3 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50435857631) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 514651560 + ... + 514651657.

It is an arithmetic number, because the mean of its divisors is an integer number (9778380571).

Almost surely, 2^50435857633 is an apocalyptic number.

It is an amenable number.

50435857633 is a deficient number, since it is larger than the sum of its proper divisors (8234425793).

50435857633 is a wasteful number, since it uses less digits than its factorization.

50435857633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029303231 (or 1029303224 counting only the distinct ones).

The product of its (nonzero) digits is 4536000, while the sum is 49.

The spelling of 50435857633 in words is "fifty billion, four hundred thirty-five million, eight hundred fifty-seven thousand, six hundred thirty-three".