50140645 has 8 divisors (see below), whose sum is σ = 60251256. Its totient is φ = 40057536.

The previous prime is 50140631. The next prime is 50140693. The reversal of 50140645 is 54604105.

It can be written as a sum of positive squares in 4 ways, for example, as 4524129 + 45616516 = 2127^2 + 6754^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 50140645 - 2⁵ = 50140613 is a prime.

It is a Duffinian 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, 2622 + ... + 10351.

It is an arithmetic number, because the mean of its divisors is an integer number (7531407).

Almost surely, 2^50140645 is an apocalyptic number.

It is an amenable number.

50140645 is a deficient number, since it is larger than the sum of its proper divisors (10110611).

50140645 is a wasteful number, since it uses less digits than its factorization.

50140645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13751.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 50140645 is about 7081.0059313631. The cubic root of 50140645 is about 368.7482535587.

The spelling of 50140645 in words is "fifty million, one hundred forty thousand, six hundred forty-five".