50689755 has 12 divisors (see below), whose sum is σ = 87862320. Its totient is φ = 27034512.

The previous prime is 50689753. The next prime is 50689759. The reversal of 50689755 is 55798605.

50689755 is a `hidden beast` number, since 506 + 8 + 97 + 55 = 666.

It is not a de Polignac number, because 50689755 - 2¹ = 50689753 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1126439 = 50689755 / (5 + 0 + 6 + 8 + 9 + 7 + 5 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 50689755.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50689753) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 563175 + ... + 563264.

It is an arithmetic number, because the mean of its divisors is an integer number (7321860).

Almost surely, 2^50689755 is an apocalyptic number.

50689755 is a deficient number, since it is larger than the sum of its proper divisors (37172565).

50689755 is a wasteful number, since it uses less digits than its factorization.

50689755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126450 (or 1126447 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 45.

The square root of 50689755 is about 7119.6737987074. The cubic root of 50689755 is about 370.0894719101.

The spelling of 50689755 in words is "fifty million, six hundred eighty-nine thousand, seven hundred fifty-five".