50763661 has 4 divisors (see below), whose sum is σ = 54668572. Its totient is φ = 46858752.

The previous prime is 50763637. The next prime is 50763697. The reversal of 50763661 is 16636705.

It is a happy number.

50763661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 28153636 + 22610025 = 5306^2 + 4755^2 .

It is a cyclic number.

It is not a de Polignac number, because 50763661 - 2⁷ = 50763533 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 (50763631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1952436 + ... + 1952461.

It is an arithmetic number, because the mean of its divisors is an integer number (13667143).

Almost surely, 2^50763661 is an apocalyptic number.

It is an amenable number.

50763661 is a deficient number, since it is larger than the sum of its proper divisors (3904911).

50763661 is a wasteful number, since it uses less digits than its factorization.

50763661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3904910.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 50763661 is about 7124.8621741055. The cubic root of 50763661 is about 370.2692488704.

The spelling of 50763661 in words is "fifty million, seven hundred sixty-three thousand, six hundred sixty-one".