50778205404497 has 16 divisors (see below), whose sum is σ = 52032597579072. Its totient is φ = 49527178989120.

The previous prime is 50778205404359. The next prime is 50778205404503. The reversal of 50778205404497 is 79440450287705.

It is a cyclic number.

It is not a de Polignac number, because 50778205404497 - 2²⁸ = 50777936969041 is a prime.

It is a super-2 number, since 2×50778205404497² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50778205400497) 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, 176131847 + ... + 176419907.

It is an arithmetic number, because the mean of its divisors is an integer number (3252037348692).

Almost surely, 2^{50778205404497} is an apocalyptic number.

It is an amenable number.

50778205404497 is a deficient number, since it is larger than the sum of its proper divisors (1254392174575).

50778205404497 is a wasteful number, since it uses less digits than its factorization.

50778205404497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293888.

The product of its (nonzero) digits is 79027200, while the sum is 62.

The spelling of 50778205404497 in words is "fifty trillion, seven hundred seventy-eight billion, two hundred five million, four hundred four thousand, four hundred ninety-seven".