50657880 has 128 divisors (see below), whose sum is σ = 187084800. Its totient is φ = 10685952.

The previous prime is 50657851. The next prime is 50657911. The reversal of 50657880 is 8875605.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8601 + ... + 13239.

It is an arithmetic number, because the mean of its divisors is an integer number (1461600).

Almost surely, 2^50657880 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 50657880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93542400).

50657880 is an abundant number, since it is smaller than the sum of its proper divisors (136426920).

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

50657880 is a wasteful number, since it uses less digits than its factorization.

50657880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4673 (or 4669 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 39.

The square root of 50657880 is about 7117.4349312094. The cubic root of 50657880 is about 370.0118817709.

The spelling of 50657880 in words is "fifty million, six hundred fifty-seven thousand, eight hundred eighty".