50861780 has 24 divisors (see below), whose sum is σ = 108165120. Its totient is φ = 20086560.

The previous prime is 50861779. The next prime is 50861857. The reversal of 50861780 is 8716805.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 50861780.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14516 + ... + 17675.

It is an arithmetic number, because the mean of its divisors is an integer number (4506880).

Almost surely, 2^50861780 is an apocalyptic number.

It is an amenable number.

50861780 is an abundant number, since it is smaller than the sum of its proper divisors (57303340).

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

50861780 is a wasteful number, since it uses less digits than its factorization.

50861780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32279 (or 32277 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 50861780 is about 7131.7445271126. The cubic root of 50861780 is about 370.5076547537.

The spelling of 50861780 in words is "fifty million, eight hundred sixty-one thousand, seven hundred eighty".