50778205401063 has 16 divisors (see below), whose sum is σ = 77377129657856. Its totient is φ = 29015811122400.

The previous prime is 50778205401061. The next prime is 50778205401067. The reversal of 50778205401063 is 36010450287705.

It is not a de Polignac number, because 50778205401063 - 2¹ = 50778205401061 is a prime.

It is a super-2 number, since 2×50778205401063² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50778205401061) 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, 10715731 + ... + 14709972.

It is an arithmetic number, because the mean of its divisors is an integer number (4836070603616).

Almost surely, 2^{50778205401063} is an apocalyptic number.

50778205401063 is a deficient number, since it is larger than the sum of its proper divisors (26598924256793).

50778205401063 is a wasteful number, since it uses less digits than its factorization.

50778205401063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25520814.

The product of its (nonzero) digits is 1411200, while the sum is 48.

Adding to 50778205401063 its reverse (36010450287705), we get a palindrome (86788655688768).

The spelling of 50778205401063 in words is "fifty trillion, seven hundred seventy-eight billion, two hundred five million, four hundred one thousand, sixty-three".