50250500552778 has 16 divisors (see below), whose sum is σ = 100501074759456. Its totient is φ = 16750154575280.

The previous prime is 50250500552731. The next prime is 50250500552797. The reversal of 50250500552778 is 87725500505205.

It is a super-2 number, since 2×50250500552778² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 50250500552778.

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, 10240300 + ... + 14330552.

It is an arithmetic number, because the mean of its divisors is an integer number (6281317172466).

Almost surely, 2^{50250500552778} is an apocalyptic number.

50250500552778 is an abundant number, since it is smaller than the sum of its proper divisors (50250574206678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50250500552778 is a wasteful number, since it uses less digits than its factorization.

50250500552778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6137829.

The product of its (nonzero) digits is 4900000, while the sum is 51.

The spelling of 50250500552778 in words is "fifty trillion, two hundred fifty billion, five hundred million, five hundred fifty-two thousand, seven hundred seventy-eight".