50513641 has 4 divisors (see below), whose sum is σ = 51081300. Its totient is φ = 49945984.

The previous prime is 50513597. The next prime is 50513653. The reversal of 50513641 is 14631505.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29160000 + 21353641 = 5400^2 + 4621^2 .

It is a cyclic number.

It is not a de Polignac number, because 50513641 - 2¹⁵ = 50480873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50513741) 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, 283696 + ... + 283873.

It is an arithmetic number, because the mean of its divisors is an integer number (12770325).

Almost surely, 2^50513641 is an apocalyptic number.

It is an amenable number.

50513641 is a deficient number, since it is larger than the sum of its proper divisors (567659).

50513641 is an equidigital number, since it uses as much as digits as its factorization.

50513641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567658.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 50513641 is about 7107.2949143820. The cubic root of 50513641 is about 369.6603676663.

The spelling of 50513641 in words is "fifty million, five hundred thirteen thousand, six hundred forty-one".