50625665 has 8 divisors (see below), whose sum is σ = 61004328. Its totient is φ = 40331520.

The previous prime is 50625647. The next prime is 50625667. The reversal of 50625665 is 56652605.

It can be written as a sum of positive squares in 4 ways, for example, as 15437041 + 35188624 = 3929^2 + 5932^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 50625665 - 2⁸ = 50625409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50625667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19802 + ... + 22211.

It is an arithmetic number, because the mean of its divisors is an integer number (7625541).

Almost surely, 2^50625665 is an apocalyptic number.

It is an amenable number.

50625665 is a deficient number, since it is larger than the sum of its proper divisors (10378663).

50625665 is a wasteful number, since it uses less digits than its factorization.

50625665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42259.

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 50625665 is about 7115.1714666619. The cubic root of 50625665 is about 369.9334309262.

The spelling of 50625665 in words is "fifty million, six hundred twenty-five thousand, six hundred sixty-five".