50343661 has 4 divisors (see below), whose sum is σ = 50414400. Its totient is φ = 50272924.

The previous prime is 50343649. The next prime is 50343701. The reversal of 50343661 is 16634305.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16634305 = 5 ⋅3326861.

It is a cyclic number.

It is not a de Polignac number, because 50343661 - 2¹³ = 50335469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50343641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34291 + ... + 35728.

It is an arithmetic number, because the mean of its divisors is an integer number (12603600).

Almost surely, 2^50343661 is an apocalyptic number.

It is an amenable number.

50343661 is a deficient number, since it is larger than the sum of its proper divisors (70739).

50343661 is an equidigital number, since it uses as much as digits as its factorization.

50343661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70738.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 50343661 is about 7095.3267014282. The cubic root of 50343661 is about 369.2452620925.

Adding to 50343661 its reverse (16634305), we get a palindrome (66977966).

The spelling of 50343661 in words is "fifty million, three hundred forty-three thousand, six hundred sixty-one".