50489685 has 12 divisors (see below), whose sum is σ = 87515532. Its totient is φ = 26927808.

The previous prime is 50489671. The next prime is 50489689. The reversal of 50489685 is 58698405.

50489685 is a `hidden beast` number, since 504 + 89 + 68 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10458756 + 40030929 = 3234^2 + 6327^2 .

It is not a de Polignac number, because 50489685 - 2¹⁰ = 50488661 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: 1121993 = 50489685 / (5 + 0 + 4 + 8 + 9 + 6 + 8 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 50489685.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50489689) 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 11 ways as a sum of consecutive naturals, for example, 560952 + ... + 561041.

It is an arithmetic number, because the mean of its divisors is an integer number (7292961).

Almost surely, 2^50489685 is an apocalyptic number.

It is an amenable number.

50489685 is a deficient number, since it is larger than the sum of its proper divisors (37025847).

50489685 is a wasteful number, since it uses less digits than its factorization.

50489685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122004 (or 1122001 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The square root of 50489685 is about 7105.6094038443. The cubic root of 50489685 is about 369.6019215128.

The spelling of 50489685 in words is "fifty million, four hundred eighty-nine thousand, six hundred eighty-five".