50105661 has 8 divisors (see below), whose sum is σ = 69712320. Its totient is φ = 31951392.

The previous prime is 50105651. The next prime is 50105663. The reversal of 50105661 is 16650105.

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

It is not a de Polignac number, because 50105661 - 2¹³ = 50097469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50105663) 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, 363016 + ... + 363153.

It is an arithmetic number, because the mean of its divisors is an integer number (8714040).

Almost surely, 2^50105661 is an apocalyptic number.

It is an amenable number.

50105661 is a deficient number, since it is larger than the sum of its proper divisors (19606659).

50105661 is a wasteful number, since it uses less digits than its factorization.

50105661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726195.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 50105661 is about 7078.5352298339. The cubic root of 50105661 is about 368.6624729156.

Adding to 50105661 its reverse (16650105), we get a palindrome (66755766).

The spelling of 50105661 in words is "fifty million, one hundred five thousand, six hundred sixty-one".