50055556 has 6 divisors (see below), whose sum is σ = 87597230. Its totient is φ = 25027776.

The previous prime is 50055539. The next prime is 50055559. The reversal of 50055556 is 65555005.

It can be written as a sum of positive squares in only one way, i.e., 28987456 + 21068100 = 5384^2 + 4590^2 .

It is not an unprimeable number, because it can be changed into a prime (50055559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6256941 + ... + 6256948.

Almost surely, 2^50055556 is an apocalyptic number.

It is an amenable number.

50055556 is a deficient number, since it is larger than the sum of its proper divisors (37541674).

50055556 is a wasteful number, since it uses less digits than its factorization.

50055556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12513893 (or 12513891 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 31.

The square root of 50055556 is about 7074.9951236732. The cubic root of 50055556 is about 368.5395460616.

The spelling of 50055556 in words is "fifty million, fifty-five thousand, five hundred fifty-six".