50566620 has 96 divisors (see below), whose sum is σ = 153679680. Its totient is φ = 12349440.

The previous prime is 50566613. The next prime is 50566639. The reversal of 50566620 is 2666505.

50566620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 187846 + ... + 188114.

It is an arithmetic number, because the mean of its divisors is an integer number (1600830).

Almost surely, 2^50566620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50566620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76839840).

50566620 is an abundant number, since it is smaller than the sum of its proper divisors (103113060).

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

50566620 is a wasteful number, since it uses less digits than its factorization.

50566620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535 (or 533 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 50566620 is about 7111.0210237349. The cubic root of 50566620 is about 369.7895564922.

The spelling of 50566620 in words is "fifty million, five hundred sixty-six thousand, six hundred twenty".