50824513 has 4 divisors (see below), whose sum is σ = 51327828. Its totient is φ = 50321200.

The previous prime is 50824507. The next prime is 50824519. The reversal of 50824513 is 31542805.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (50824507) and next prime (50824519).

It can be written as a sum of positive squares in 2 ways, for example, as 49168144 + 1656369 = 7012^2 + 1287^2 .

It is a cyclic number.

It is not a de Polignac number, because 50824513 - 2⁵ = 50824481 is a prime.

It is a super-2 number, since 2×50824513² = 5166262243374338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50824519) 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, 251506 + ... + 251707.

It is an arithmetic number, because the mean of its divisors is an integer number (12831957).

Almost surely, 2^50824513 is an apocalyptic number.

It is an amenable number.

50824513 is a deficient number, since it is larger than the sum of its proper divisors (503315).

50824513 is a wasteful number, since it uses less digits than its factorization.

50824513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503314.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 50824513 is about 7129.1312935027. The cubic root of 50824513 is about 370.4171409305.

The spelling of 50824513 in words is "fifty million, eight hundred twenty-four thousand, five hundred thirteen".