50905856207556 has 243 divisors, whose sum is σ = 150499850493447. Its totient is φ = 14466018631680.

The previous prime is 50905856207543. The next prime is 50905856207659. The reversal of 50905856207556 is 65570265850905.

The square root of 50905856207556 is 7134834.

It is a perfect power (a square), and thus also a powerful number.

50905856207556 is a `hidden beast` number, since 5 + 0 + 9 + 0 + 5 + 8 + 56 + 20 + 7 + 556 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 34868906900100 + 16036949307456 = 5904990^2 + 4004616^2 .

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 50905856207493 and 50905856207502.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 77013397866 + ... + 77013398526.

Almost surely, 2^{50905856207556} is an apocalyptic number.

50905856207556 is the 7134834-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50905856207556

50905856207556 is an abundant number, since it is smaller than the sum of its proper divisors (99593994285891).

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

50905856207556 is an equidigital number, since it uses as much as digits as its factorization.

50905856207556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1860 (or 930 counting only the distinct ones).

The product of its (nonzero) digits is 113400000, while the sum is 63.

The spelling of 50905856207556 in words is "fifty trillion, nine hundred five billion, eight hundred fifty-six million, two hundred seven thousand, five hundred fifty-six".