50778205404358 has 16 divisors (see below), whose sum is σ = 76372811982720. Its totient is φ = 25320627216000.

The previous prime is 50778205404307. The next prime is 50778205404359. The reversal of 50778205404358 is 85340450287705.

It is a super-2 number, since 2×50778205404358² (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 (50778205404359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2511798 + ... + 10385833.

It is an arithmetic number, because the mean of its divisors is an integer number (4773300748920).

Almost surely, 2^{50778205404358} is an apocalyptic number.

50778205404358 is a deficient number, since it is larger than the sum of its proper divisors (25594606578362).

50778205404358 is a wasteful number, since it uses less digits than its factorization.

50778205404358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12902943.

The product of its (nonzero) digits is 37632000, while the sum is 58.

The spelling of 50778205404358 in words is "fifty trillion, seven hundred seventy-eight billion, two hundred five million, four hundred four thousand, three hundred fifty-eight".