50705645 has 8 divisors (see below), whose sum is σ = 64426104. Its totient is φ = 38178304.

The previous prime is 50705617. The next prime is 50705663. The reversal of 50705645 is 54650705.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11930116 + 38775529 = 3454^2 + 6227^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50705645 is a prime.

It is a super-3 number, since 3×50705645³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298184 + ... + 298353.

It is an arithmetic number, because the mean of its divisors is an integer number (8053263).

Almost surely, 2^50705645 is an apocalyptic number.

It is an amenable number.

50705645 is a deficient number, since it is larger than the sum of its proper divisors (13720459).

50705645 is a wasteful number, since it uses less digits than its factorization.

50705645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596559.

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 50705645 is about 7120.7896331797. The cubic root of 50705645 is about 370.1281392064.

The spelling of 50705645 in words is "fifty million, seven hundred five thousand, six hundred forty-five".