50743661 has 4 divisors (see below), whose sum is σ = 53414400. Its totient is φ = 48072924.

The previous prime is 50743639. The next prime is 50743669. The reversal of 50743661 is 16634705.

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: 16634705 = 5 ⋅3326941.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50743661 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 (50743669) 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, 1335341 + ... + 1335378.

It is an arithmetic number, because the mean of its divisors is an integer number (13353600).

Almost surely, 2^50743661 is an apocalyptic number.

It is an amenable number.

50743661 is a deficient number, since it is larger than the sum of its proper divisors (2670739).

50743661 is a wasteful number, since it uses less digits than its factorization.

50743661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2670738.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 50743661 is about 7123.4584999142. The cubic root of 50743661 is about 370.2206159338.

The spelling of 50743661 in words is "fifty million, seven hundred forty-three thousand, six hundred sixty-one".