50813580 has 96 divisors (see below), whose sum is σ = 149538816. Its totient is φ = 12877056.

The previous prime is 50813579. The next prime is 50813593. The reversal of 50813580 is 8531805.

It is a happy number.

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

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, 104097 + ... + 104583.

It is an arithmetic number, because the mean of its divisors is an integer number (1557696).

Almost surely, 2^50813580 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 50813580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74769408).

50813580 is an abundant number, since it is smaller than the sum of its proper divisors (98725236).

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

50813580 is a wasteful number, since it uses less digits than its factorization.

50813580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583 (or 581 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 50813580 is about 7128.3644687965. The cubic root of 50813580 is about 370.3905785443.

The spelling of 50813580 in words is "fifty million, eight hundred thirteen thousand, five hundred eighty".