50687530 has 16 divisors (see below), whose sum is σ = 91322280. Its totient is φ = 20256192.

The previous prime is 50687513. The next prime is 50687531. The reversal of 50687530 is 3578605.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 47458321 + 3229209 = 6889^2 + 1797^2 .

It is not an unprimeable number, because it can be changed into a prime (50687531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15172 + ... + 18208.

Almost surely, 2^50687530 is an apocalyptic number.

50687530 is a deficient number, since it is larger than the sum of its proper divisors (40634750).

50687530 is a wasteful number, since it uses less digits than its factorization.

50687530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4713.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 50687530 is about 7119.5175398337. The cubic root of 50687530 is about 370.0840568703.

The spelling of 50687530 in words is "fifty million, six hundred eighty-seven thousand, five hundred thirty".