50656663 has 4 divisors (see below), whose sum is σ = 52025800. Its totient is φ = 49287528.

The previous prime is 50656637. The next prime is 50656673. The reversal of 50656663 is 36665605.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 50656663 - 2⁵ = 50656631 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 1369099 = 50656663 / (5 + 0 + 6 + 5 + 6 + 6 + 6 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50656673) 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, 684513 + ... + 684586.

It is an arithmetic number, because the mean of its divisors is an integer number (13006450).

Almost surely, 2^50656663 is an apocalyptic number.

50656663 is a deficient number, since it is larger than the sum of its proper divisors (1369137).

50656663 is a wasteful number, since it uses less digits than its factorization.

50656663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1369136.

The product of its (nonzero) digits is 97200, while the sum is 37.

The square root of 50656663 is about 7117.3494364124. The cubic root of 50656663 is about 370.0089187039.

The spelling of 50656663 in words is "fifty million, six hundred fifty-six thousand, six hundred sixty-three".