50631530 has 16 divisors (see below), whose sum is σ = 91463904. Its totient is φ = 20179920.

The previous prime is 50631517. The next prime is 50631547. The reversal of 50631530 is 3513605.

It is a junction number, because it is equal to n+sod(n) for n = 50631496 and 50631505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6116 + ... + 11775.

It is an arithmetic number, because the mean of its divisors is an integer number (5716494).

Almost surely, 2^50631530 is an apocalyptic number.

50631530 is a deficient number, since it is larger than the sum of its proper divisors (40832374).

50631530 is a wasteful number, since it uses less digits than its factorization.

50631530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18181.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 50631530 is about 7115.5836022072. The cubic root of 50631530 is about 369.9477160113.

The spelling of 50631530 in words is "fifty million, six hundred thirty-one thousand, five hundred thirty".