50688561 has 32 divisors (see below), whose sum is σ = 88704000. Its totient is φ = 24943680.

The previous prime is 50688559. The next prime is 50688571. The reversal of 50688561 is 16588605.

It is not a de Polignac number, because 50688561 - 2¹ = 50688559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50688541) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1386 + ... + 10163.

It is an arithmetic number, because the mean of its divisors is an integer number (2772000).

Almost surely, 2^50688561 is an apocalyptic number.

It is an amenable number.

50688561 is a deficient number, since it is larger than the sum of its proper divisors (38015439).

50688561 is a wasteful number, since it uses less digits than its factorization.

50688561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11589.

The product of its (nonzero) digits is 57600, while the sum is 39.

The square root of 50688561 is about 7119.5899460573. The cubic root of 50688561 is about 370.0865660613.

The spelling of 50688561 in words is "fifty million, six hundred eighty-eight thousand, five hundred sixty-one".