50465521 has 4 divisors (see below), whose sum is σ = 51829492. Its totient is φ = 49101552.

The previous prime is 50465509. The next prime is 50465533. The reversal of 50465521 is 12556405.

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 (50465509) and next prime (50465533).

It can be written as a sum of positive squares in 2 ways, for example, as 46991025 + 3474496 = 6855^2 + 1864^2 .

It is a cyclic number.

It is not a de Polignac number, because 50465521 - 2¹⁹ = 49941233 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50465521.

It is not an unprimeable number, because it can be changed into a prime (50465221) 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, 681930 + ... + 682003.

It is an arithmetic number, because the mean of its divisors is an integer number (12957373).

Almost surely, 2^50465521 is an apocalyptic number.

It is an amenable number.

50465521 is a deficient number, since it is larger than the sum of its proper divisors (1363971).

50465521 is a wasteful number, since it uses less digits than its factorization.

50465521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363970.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 50465521 is about 7103.9088535819. The cubic root of 50465521 is about 369.5429491636.

The spelling of 50465521 in words is "fifty million, four hundred sixty-five thousand, five hundred twenty-one".