50642961 has 16 divisors (see below), whose sum is σ = 73531200. Its totient is φ = 30881088.

The previous prime is 50642957. The next prime is 50642971. The reversal of 50642961 is 16924605.

It is not a de Polignac number, because 50642961 - 2² = 50642957 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50642971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13666 + ... + 16971.

It is an arithmetic number, because the mean of its divisors is an integer number (4595700).

Almost surely, 2^50642961 is an apocalyptic number.

It is an amenable number.

50642961 is a deficient number, since it is larger than the sum of its proper divisors (22888239).

50642961 is a wasteful number, since it uses less digits than its factorization.

50642961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30688.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 50642961 is about 7116.3867938723. The cubic root of 50642961 is about 369.9755547522.

The spelling of 50642961 in words is "fifty million, six hundred forty-two thousand, nine hundred sixty-one".