50656820 has 24 divisors (see below), whose sum is σ = 106813728. Its totient is φ = 20180000.

The previous prime is 50656819. The next prime is 50656841. The reversal of 50656820 is 2865605.

It is a happy number.

It is a super-2 number, since 2×50656820² = 5132226825024800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26 + ... + 10065.

It is an arithmetic number, because the mean of its divisors is an integer number (4450572).

Almost surely, 2^50656820 is an apocalyptic number.

It is an amenable number.

50656820 is an abundant number, since it is smaller than the sum of its proper divisors (56156908).

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

50656820 is a wasteful number, since it uses less digits than its factorization.

50656820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10351 (or 10349 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 50656820 is about 7117.3604657907. The cubic root of 50656820 is about 370.0093009593.

The spelling of 50656820 in words is "fifty million, six hundred fifty-six thousand, eight hundred twenty".