50535561 has 8 divisors (see below), whose sum is σ = 67999360. Its totient is φ = 33381072.

The previous prime is 50535557. The next prime is 50535571. The reversal of 50535561 is 16553505.

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

It is not a de Polignac number, because 50535561 - 2² = 50535557 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50535571) 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, 76945 + ... + 77598.

It is an arithmetic number, because the mean of its divisors is an integer number (8499920).

Almost surely, 2^50535561 is an apocalyptic number.

It is an amenable number.

50535561 is a deficient number, since it is larger than the sum of its proper divisors (17463799).

50535561 is a wasteful number, since it uses less digits than its factorization.

50535561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154655.

The product of its (nonzero) digits is 11250, while the sum is 30.

The square root of 50535561 is about 7108.8368246852. The cubic root of 50535561 is about 369.7138303436.

The spelling of 50535561 in words is "fifty million, five hundred thirty-five thousand, five hundred sixty-one".