50257780 has 48 divisors (see below), whose sum is σ = 113898960. Its totient is φ = 18556928.

The previous prime is 50257771. The next prime is 50257787. The reversal of 50257780 is 8775205.

It can be written as a sum of positive squares in 8 ways, for example, as 3225616 + 47032164 = 1796^2 + 6858^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50257787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16626 + ... + 19414.

It is an arithmetic number, because the mean of its divisors is an integer number (2372895).

Almost surely, 2^50257780 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 50257780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56949480).

50257780 is an abundant number, since it is smaller than the sum of its proper divisors (63641180).

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

50257780 is a wasteful number, since it uses less digits than its factorization.

50257780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2868 (or 2866 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 34.

The square root of 50257780 is about 7089.2721770292. The cubic root of 50257780 is about 369.0351780369.

The spelling of 50257780 in words is "fifty million, two hundred fifty-seven thousand, seven hundred eighty".