50671689 has 16 divisors (see below), whose sum is σ = 71289600. Its totient is φ = 31926096.

The previous prime is 50671681. The next prime is 50671693. The reversal of 50671689 is 98617605.

It is not a de Polignac number, because 50671689 - 2³ = 50671681 is a prime.

It is a super-2 number, since 2×50671689² = 5135240132225442, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 50671689.

It is not an unprimeable number, because it can be changed into a prime (50671681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31302 + ... + 32880.

It is an arithmetic number, because the mean of its divisors is an integer number (4455600).

Almost surely, 2^50671689 is an apocalyptic number.

It is an amenable number.

50671689 is a deficient number, since it is larger than the sum of its proper divisors (20617911).

50671689 is a wasteful number, since it uses less digits than its factorization.

50671689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2164.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 50671689 is about 7118.4049477393. The cubic root of 50671689 is about 370.0454996396.

It can be divided in two parts, 50671 and 689, that added together give a triangular number (51360 = T₃₂₀).

The spelling of 50671689 in words is "fifty million, six hundred seventy-one thousand, six hundred eighty-nine".