50749907 has 4 divisors (see below), whose sum is σ = 54653760. Its totient is φ = 46846056.

The previous prime is 50749889. The next prime is 50749921. The reversal of 50749907 is 70994705.

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 50749907 - 2⁶ = 50749843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50749927) 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, 1951907 + ... + 1951932.

It is an arithmetic number, because the mean of its divisors is an integer number (13663440).

Almost surely, 2^50749907 is an apocalyptic number.

50749907 is a deficient number, since it is larger than the sum of its proper divisors (3903853).

50749907 is a wasteful number, since it uses less digits than its factorization.

50749907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3903852.

The product of its (nonzero) digits is 79380, while the sum is 41.

The square root of 50749907 is about 7123.8968970641. The cubic root of 50749907 is about 370.2358053719.

The spelling of 50749907 in words is "fifty million, seven hundred forty-nine thousand, nine hundred seven".