50661420 has 48 divisors (see below), whose sum is σ = 142598400. Its totient is φ = 13438656.

The previous prime is 50661389. The next prime is 50661431. The reversal of 50661420 is 2416605.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9819 + ... + 14061.

It is an arithmetic number, because the mean of its divisors is an integer number (2970800).

Almost surely, 2^50661420 is an apocalyptic number.

It is an amenable number.

50661420 is an abundant number, since it is smaller than the sum of its proper divisors (91936980).

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

50661420 is a wasteful number, since it uses less digits than its factorization.

50661420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4454 (or 4452 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 50661420 is about 7117.6836119625. The cubic root of 50661420 is about 370.0205004468.

The spelling of 50661420 in words is "fifty million, six hundred sixty-one thousand, four hundred twenty".