50513565 has 8 divisors (see below), whose sum is σ = 80821728. Its totient is φ = 26940560.

The previous prime is 50513557. The next prime is 50513597. The reversal of 50513565 is 56531505.

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

It is not a de Polignac number, because 50513565 - 2³ = 50513557 is a prime.

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, 1683771 + ... + 1683800.

It is an arithmetic number, because the mean of its divisors is an integer number (10102716).

Almost surely, 2^50513565 is an apocalyptic number.

It is an amenable number.

50513565 is a deficient number, since it is larger than the sum of its proper divisors (30308163).

50513565 is a wasteful number, since it uses less digits than its factorization.

50513565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3367579.

The product of its (nonzero) digits is 11250, while the sum is 30.

The square root of 50513565 is about 7107.2895677607. The cubic root of 50513565 is about 369.6601822761.

The spelling of 50513565 in words is "fifty million, five hundred thirteen thousand, five hundred sixty-five".