50665420 has 24 divisors (see below), whose sum is σ = 114582384. Its totient is φ = 18707136.

The previous prime is 50665409. The next prime is 50665427. The reversal of 50665420 is 2456605.

It is not an unprimeable number, because it can be changed into a prime (50665427) 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, 97174 + ... + 97693.

It is an arithmetic number, because the mean of its divisors is an integer number (4774266).

Almost surely, 2^50665420 is an apocalyptic number.

It is an amenable number.

50665420 is an abundant number, since it is smaller than the sum of its proper divisors (63916964).

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

50665420 is a wasteful number, since it uses less digits than its factorization.

50665420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194889 (or 194887 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 50665420 is about 7117.9645967088. The cubic root of 50665420 is about 370.0302385805.

The spelling of 50665420 in words is "fifty million, six hundred sixty-five thousand, four hundred twenty".