50221768 has 8 divisors (see below), whose sum is σ = 94165830. Its totient is φ = 25110880.

The previous prime is 50221753. The next prime is 50221771. The reversal of 50221768 is 86712205.

It can be written as a sum of positive squares in only one way, i.e., 39212644 + 11009124 = 6262^2 + 3318^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3138853 + ... + 3138868.

Almost surely, 2^50221768 is an apocalyptic number.

It is an amenable number.

50221768 is a deficient number, since it is larger than the sum of its proper divisors (43944062).

50221768 is a wasteful number, since it uses less digits than its factorization.

50221768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6277727 (or 6277723 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 50221768 is about 7086.7318278597. The cubic root of 50221768 is about 368.9470134428.

The spelling of 50221768 in words is "fifty million, two hundred twenty-one thousand, seven hundred sixty-eight".