50616820 has 24 divisors (see below), whose sum is σ = 112548744. Its totient is φ = 19055616.

The previous prime is 50616809. The next prime is 50616827. The reversal of 50616820 is 2861605.

It can be written as a sum of positive squares in 4 ways, for example, as 2702736 + 47914084 = 1644^2 + 6922^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50616827) 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, 74097 + ... + 74776.

It is an arithmetic number, because the mean of its divisors is an integer number (4689531).

Almost surely, 2^50616820 is an apocalyptic number.

It is an amenable number.

50616820 is an abundant number, since it is smaller than the sum of its proper divisors (61931924).

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

50616820 is a wasteful number, since it uses less digits than its factorization.

50616820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148899 (or 148897 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 50616820 is about 7114.5498803508. The cubic root of 50616820 is about 369.9118855185.

It can be divided in two parts, 5061 and 6820, that added together give a square (11881 = 109²).

The spelling of 50616820 in words is "fifty million, six hundred sixteen thousand, eight hundred twenty".