50647261 has 4 divisors (see below), whose sum is σ = 57882592. Its totient is φ = 43411932.

The previous prime is 50647237. The next prime is 50647271. The reversal of 50647261 is 16274605.

It is a happy number.

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: 16274605 = 5 ⋅3254921.

It is a cyclic number.

It is not a de Polignac number, because 50647261 - 2⁷ = 50647133 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 (50647231) 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, 3617655 + ... + 3617668.

It is an arithmetic number, because the mean of its divisors is an integer number (14470648).

Almost surely, 2^50647261 is an apocalyptic number.

It is an amenable number.

50647261 is a deficient number, since it is larger than the sum of its proper divisors (7235331).

50647261 is an equidigital number, since it uses as much as digits as its factorization.

50647261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7235330.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 50647261 is about 7116.6889070691. The cubic root of 50647261 is about 369.9860257688.

The spelling of 50647261 in words is "fifty million, six hundred forty-seven thousand, two hundred sixty-one".