50555433391656 has 32 divisors (see below), whose sum is σ = 129471231859200. Its totient is φ = 16440791346560.

The previous prime is 50555433391651. The next prime is 50555433391667. The reversal of 50555433391656 is 65619333455505.

It is a self number, because there is not a number n which added to its sum of digits gives 50555433391656.

It is not an unprimeable number, because it can be changed into a prime (50555433391651) 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, 25688735496 + ... + 25688737463.

It is an arithmetic number, because the mean of its divisors is an integer number (4045975995600).

Almost surely, 2^{50555433391656} is an apocalyptic number.

It is an amenable number.

50555433391656 is an abundant number, since it is smaller than the sum of its proper divisors (78915798467544).

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

50555433391656 is a wasteful number, since it uses less digits than its factorization.

50555433391656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51377473009 (or 51377473005 counting only the distinct ones).

The product of its (nonzero) digits is 109350000, while the sum is 60.

The spelling of 50555433391656 in words is "fifty trillion, five hundred fifty-five billion, four hundred thirty-three million, three hundred ninety-one thousand, six hundred fifty-six".