50992961 has 4 divisors (see below), whose sum is σ = 51287892. Its totient is φ = 50698032.

The previous prime is 50992951. The next prime is 50992967. The reversal of 50992961 is 16929905.

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 20079361 + 30913600 = 4481^2 + 5560^2 .

It is a cyclic number.

It is not a de Polignac number, because 50992961 - 2⁶ = 50992897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50992967) 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, 147206 + ... + 147551.

It is an arithmetic number, because the mean of its divisors is an integer number (12821973).

Almost surely, 2^50992961 is an apocalyptic number.

It is an amenable number.

50992961 is a deficient number, since it is larger than the sum of its proper divisors (294931).

50992961 is a wasteful number, since it uses less digits than its factorization.

50992961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294930.

The product of its (nonzero) digits is 43740, while the sum is 41.

The square root of 50992961 is about 7140.9355829611. The cubic root of 50992961 is about 370.8259149409.

The spelling of 50992961 in words is "fifty million, nine hundred ninety-two thousand, nine hundred sixty-one".