50723945 has 4 divisors (see below), whose sum is σ = 60868740. Its totient is φ = 40579152.

The previous prime is 50723941. The next prime is 50723957. The reversal of 50723945 is 54932705.

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 12482089 + 38241856 = 3533^2 + 6184^2 .

It is a cyclic number.

It is not a de Polignac number, because 50723945 - 2² = 50723941 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50723941) 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, 5072390 + ... + 5072399.

It is an arithmetic number, because the mean of its divisors is an integer number (15217185).

Almost surely, 2^50723945 is an apocalyptic number.

It is an amenable number.

50723945 is a deficient number, since it is larger than the sum of its proper divisors (10144795).

50723945 is a wasteful number, since it uses less digits than its factorization.

50723945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10144794.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 50723945 is about 7122.0744871140. The cubic root of 50723945 is about 370.1726610755.

The spelling of 50723945 in words is "fifty million, seven hundred twenty-three thousand, nine hundred forty-five".