50979220 has 12 divisors (see below), whose sum is σ = 107056404. Its totient is φ = 20391680.

The previous prime is 50979217. The next prime is 50979251. The reversal of 50979220 is 2297905.

It can be written as a sum of positive squares in 2 ways, for example, as 20376196 + 30603024 = 4514^2 + 5532^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1274461 + ... + 1274500.

It is an arithmetic number, because the mean of its divisors is an integer number (8921367).

Almost surely, 2^50979220 is an apocalyptic number.

It is an amenable number.

50979220 is an abundant number, since it is smaller than the sum of its proper divisors (56077184).

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

50979220 is a wasteful number, since it uses less digits than its factorization.

50979220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2548970 (or 2548968 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 50979220 is about 7139.9733893062. The cubic root of 50979220 is about 370.7926033062.

The spelling of 50979220 in words is "fifty million, nine hundred seventy-nine thousand, two hundred twenty".