50778205404406 has 16 divisors (see below), whose sum is σ = 77085344166768. Its totient is φ = 25083093520800.

The previous prime is 50778205404359. The next prime is 50778205404503. The reversal of 50778205404406 is 60440450287705.

It is a super-2 number, since 2×50778205404406² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43416376 + ... + 44570596.

It is an arithmetic number, because the mean of its divisors is an integer number (4817834010423).

Almost surely, 2^{50778205404406} is an apocalyptic number.

50778205404406 is a deficient number, since it is larger than the sum of its proper divisors (26307138762362).

50778205404406 is a wasteful number, since it uses less digits than its factorization.

50778205404406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419327.

The product of its (nonzero) digits is 7526400, while the sum is 52.

The spelling of 50778205404406 in words is "fifty trillion, seven hundred seventy-eight billion, two hundred five million, four hundred four thousand, four hundred six".