50778205401049 has 16 divisors (see below), whose sum is σ = 61089374817280. Its totient is φ = 41231531898000.

The previous prime is 50778205401047. The next prime is 50778205401061. The reversal of 50778205401049 is 94010450287705.

It is a cyclic number.

It is not a de Polignac number, because 50778205401049 - 2¹ = 50778205401047 is a prime.

It is a super-2 number, since 2×50778205401049² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50778205400987 and 50778205401005.

It is not an unprimeable number, because it can be changed into a prime (50778205401047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5883519 + ... + 11669284.

It is an arithmetic number, because the mean of its divisors is an integer number (3818085926080).

Almost surely, 2^{50778205401049} is an apocalyptic number.

It is an amenable number.

50778205401049 is a deficient number, since it is larger than the sum of its proper divisors (10311169416231).

50778205401049 is a wasteful number, since it uses less digits than its factorization.

50778205401049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17574580.

The product of its (nonzero) digits is 2822400, while the sum is 52.

The spelling of 50778205401049 in words is "fifty trillion, seven hundred seventy-eight billion, two hundred five million, four hundred one thousand, forty-nine".