50780255581 has 8 divisors (see below), whose sum is σ = 55517865984. Its totient is φ = 46062849120.

The previous prime is 50780255567. The next prime is 50780255593. The reversal of 50780255581 is 18555208705.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50780255581 - 2¹¹ = 50780253533 is a prime.

It is a super-2 number, since 2×50780255581² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50780255681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5045725 + ... + 5055778.

It is an arithmetic number, because the mean of its divisors is an integer number (6939733248).

Almost surely, 2^50780255581 is an apocalyptic number.

It is an amenable number.

50780255581 is a deficient number, since it is larger than the sum of its proper divisors (4737610403).

50780255581 is a wasteful number, since it uses less digits than its factorization.

50780255581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10101971.

The product of its (nonzero) digits is 560000, while the sum is 46.

The spelling of 50780255581 in words is "fifty billion, seven hundred eighty million, two hundred fifty-five thousand, five hundred eighty-one".